All Tools — Online Tool Store

PDF

61 tools

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PDF Accessibility Tag Checker

Check PDF accessibility: tags, alt text, headings

PDF Redline Markup Tool

Quick, free PDF Redline Markup Tool in your browser

PDF Link Extractor

Extract every hyperlink from a PDF, by page

PDF to HTML Converter

Convert PDF pages to visually faithful HTML

Document Scanner to PDF

Scan to PDF: combine document photos in your browser

PDF Blank Page Remover

Review and prepare blank-page removal

PDF Password Protector

Set password-protection options for a PDF

PDF N-Up Tool

Arrange PDF pages per sheet

PDF Redaction Tool

Plan private PDF redactions

PDF Comparer

Review changes between PDFs

Certificate Generator

Design polished award certificates in minutes

PDF Table Extractor

Pull tables out of a PDF as CSV, no upload

PDF Converter - PDF to Word, PDF to Image, PDF to PowerPoint

Up to 3 PDFs, 15 formats across 5 categories

Any File to PDF Converter

Up to 10 files, 13 formats across 5 categories, one combined PDF

PDF Editor

Edit, annotate, sign, and redact a PDF — all in one tool

PDF Compressor

Shrink PDFs with adjustable quality

PDF Merger

Combine multiple PDF files into one document

PDF Viewer

Read PDFs privately with zoom, search, and download

PDF to JPG Converter

Export each PDF page as a JPG image

Markdown to PDF

Convert Markdown to PDF with paper size control

HTML to PDF Converter

Turn an HTML snippet into a PDF

PDF Splitter

Split a PDF into separate files by page range

PDF Password Remover

Remove password from your own unlocked PDF

PDF Page Extractor

Pull specific pages into a new PDF

PDF Metadata Editor

Edit or strip PDF document properties

PDF Word Counter

Count words, characters, and pages in a PDF

PDF to Grayscale

Convert color PDF pages to black and white

PDF Cropper

Set precise crop margins for PDF pages

PDF Signature Tool

Draw and place a signature on a PDF

PDF Text Extractor

Pull selectable text out of a PDF

PDF to PNG Converter

Export PDF pages as transparent-capable PNGs

Resume PDF Builder

Form-based resume builder with PDF export

PDF Form Filler

Fill interactive PDF form fields in the browser

Invoice PDF Generator

Fill a template and download a professional invoice

PDF Page Numberer

Add page numbers in any position and style

PDF Rotator

Rotate all or selected PDF pages

PDF Flattener

Flatten forms and annotations into static content

PDF Annotator

Draw, highlight, and mark up any PDF page

Searchable PDF Maker

Check whether a PDF already has selectable text

eBook to PDF Converter

Extract EPUB chapter text into a paginated PDF

PDF to FB2 Converter

Extract PDF text into an e-reader-ready FB2 file

PDF Page Reorderer

Drag-and-drop to rearrange PDF pages

PDF Header Footer Adder

Add custom headers and footers to pages

PDF Attachment Extractor

Extract files embedded inside a PDF

Receipt PDF Generator

Create simple payment receipts as PDFs

PDF Page Deleter

Remove selected pages from a PDF

PDF Booklet Maker

PDF booklet maker: imposition for saddle-stitch printing

PDF Bookmark Editor

Add or edit PDF outline bookmarks

PDF to EPUB Converter

Convert PDF text into an EPUB e-book

PDF OCR Tool

Extract text from scanned PDFs with in-browser OCR

PDF Image Extractor

Pull all embedded images out of a PDF

PDF Page Size Converter

Resize pages between A4, Letter, Legal etc.

PDF Metadata Viewer

Inspect title, author, dates and producer info

PDF Font Inspector

List PDF fonts: embedded, subset, exportable

PDF Preflight Validator

Check a PDF against print and PDF/A rules

Structured PDF Composer

Build a titled, sectioned PDF from text

Chat With PDF

Ask questions and search a PDF's text in your browser

PDF Text Highlighter Export

Export all highlighted text from a PDF as a plain-text summary

PDF Page Compare Overlay

Overlay two PDF pages to spot visual differences

PDF Chapter Bookmark Auto-Detector

Preview likely chapter bookmarks detected from a PDF's headings

PDF Security

Encrypt, unlock, restrict and check PDFs

Image

144 tools

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Bulk Image Naming Tool

Generate numbered names for image batches

Camera Sensor Size Comparator

Quick, free Camera Sensor Size Comparator in your browser

Icon Consistency Checker

Quick, free Icon Consistency Checker in your browser

Illustration Style Matcher

Quick, free Illustration Style Matcher in your browser

Image Aspect Ratio Cropper Presets

Quick, free Image Aspect Ratio Cropper Presets in your

Image Batch Watermark Positioner

Quick, free Image Batch Watermark Positioner in your browser

EXIF GPS Route Mapper

Quick, free EXIF GPS Route Mapper in your browser

Image Focus Stack Merger

Quick, free Image Focus Stack Merger in your browser

Image Symmetry Checker

Quick, free Image Symmetry Checker in your browser

Line Art Colorizer Guide

Quick, free Line Art Colorizer Guide in your browser

Photo Exposure Bracketing Merger

Quick, free Photo Exposure Bracketing Merger in your browser

Photo Perspective Corrector

Straighten converging lines in a photo

Till Reconciliation Sheet

Quick, free Till Reconciliation Sheet in your browser

Statistics Formula Sheet

Quick, free Statistics Formula Sheet in your browser

Sustainable Swap Suggester

Quick, free Sustainable Swap Suggester in your browser

Screenshot to Clean Text

OCR a screenshot and get clean, paste-ready text

Screenshot Annotation Generator

Add arrows, steps and labels to screenshots

QR Code Editor

Style a QR code with custom colors

JFIF to PNG

Convert JFIF images into PNG-ready files

Watermark Remover Detector

Inspect images for possible watermarks

GIF Reverser

Plan a GIF that plays backwards

Image Histogram Viewer

Preview RGB and luminance levels

Pencil Sketch Effect

Preview a pencil-drawing style

Circle Crop Tool

Preview circular photo crops

Line Drawing Image Generator

Create simple sketch-style visuals

Image Watermarker

Place text or logo watermarks

Image Noise Generator

Add adjustable grain and noise to an image

Photo Filter Studio

Style photos with flexible filters

Image Cropper

Crop images freeform or to fixed ratios

Image Editor

Crop, resize, rotate, filter, and annotate photos

Photo Collage Maker

Arrange photos in polished grid layouts

Meme Generator

Add top/bottom text to classic meme templates

Image Compressor

Compress images to a target size or format

Passport Photo Maker

Crop your photo to official ID sizes by country

PNG to ICO

Turn a PNG image into a Windows .ico icon

Image Upscaler

Enlarge images 2-4x with on-device AI

GIF Optimizer

Shrink one GIF or a whole batch, right in your browser

Background Remover

Transparent PNG with a soft, feathered edge

GIF Maker

Combine images into an animated GIF

ICO to PNG

Extract every size from an icon file as PNG

Image Resizer

Resize images by pixels or percentage

Image Padding Generator

Add custom padding around an image

Image Corner Radius Tool

Round image corners with a precise radius

Favicon Previewer

Preview a favicon in browser and device contexts

HEIC to JPG Converter

Convert iPhone HEIC photos to JPG

HEIC to PNG

Turn iPhone HEIC photos into PNG files

Image Color Picker

Click any pixel to get HEX/RGB/HSL values

Image to Base64

Encode images as Base64 data URIs

Favicon Generator

Create favicon.ico and all size variants

Profile Picture Maker

Create framed avatars with rings and badges

JFIF to WEBP Converter

Convert JFIF/JPEG images to WebP with a quality slider

Glitch Effect Generator

Datamosh slices and RGB channel shift on any image

GIF Speed Changer

Speed up or slow down a GIF's playback

Image Tiler

Repeat an image into a downloadable tiled grid

Image Format Converter

Convert images between modern web formats

Color Inverter

Turn images into downloadable color negatives

Photo Frame Studio

Add decorative frames and mats to photos

Sprite Sheet Generator

Create a PNG sprite sheet from multiple images

Color Replacer

Replace a color in any image — hard swap or soft blend

WebP Converter

WebP converter: drag-and-drop, GIF & BMP too

WEBP to ICO

Convert WEBP images to Windows icons

Image Rotator & Flipper

Rotate or mirror images instantly

Image Border Adder

Add solid or gradient image borders and download PNG

Instagram Grid Splitter

Split one image into a 3x3 profile grid

Before/After Image Slider Generator

Create draggable before-and-after comparisons

Image DPI Changer

Change print DPI without resampling pixels

Icon Sprite Extractor

Slice a sprite sheet back into single icons

Image Vectorizer

Convert a photo into a posterized SVG

SVG to PNG Converter

Rasterize SVG files at any resolution

App Icon Generator

Export iOS/Android icon sets from one image

SVG to ICO

Convert SVG artwork into a multi-size ICO favicon

Vignette Tool

Add soft darkened edges to photos

Image Blur Tool

Blur whole images or selected regions

Face Blur Tool

Auto-detect and pixelate faces for privacy

ASCII Art Converter

Turn images into ASCII text art

Polaroid Frame Effect

Give photos a vintage instant-film look

GIF Splitter

Extract every frame from a GIF

Twitter Header Maker

Create perfectly sized profile banners

Rounded Corners Tool

Round image corners with radius control and PNG export

Color Blindness Simulator

See an image the way colorblind visitors do

EXIF Remover

Strip private metadata from photos

Image Sharpener

Apply unsharp mask to crisp up soft photos

Transparent PNG Maker

Key out a flat background, edges and all

Bulk Image Resizer

Resize a folder of images, add files as you go, download as one ZIP

Brightness & Contrast Editor

Adjust exposure, contrast and saturation

Pixelate Tool

Turn photos into retro 8-bit pixel art

Device Mockup Generator

Create sharp screenshot mockups with ratio-aware frames

Blurhash Generator

Turn an image into a short blurred-placeholder string

OG Image Generator

Draw a 1200 x 630 social share image and get the meta tags

Image OCR

Extract text from any image

QR Code Reader

Decode QR codes from any image

SVG to WEBP

Rasterize SVG artwork as WEBP

JPG to ICO

Turn a JPG photo into a Windows icon

EXIF Viewer

Inspect camera metadata and GPS info in photos

ICO to WEBP

Extract icon sizes as WEBP images

Palette Extractor

Pull the dominant color palette from a photo

Grayscale Converter

Convert photos to black and white

Image Stitcher

Join images horizontally or vertically

Image Diff Checker

Highlight pixel differences between two images

Bulk Image Converter

Convert common images in one batch

PNG Color Replacer

Swap one color for another in a PNG

GIF Text Adder

Add a caption to every frame of a GIF

PNG Color Changer

Shift hue, saturation, and lightness of a PNG

GIF Frame Extractor

Extract every frame of a GIF as a PNG

GIF Background Remover

Remove the background from an animated GIF

Photo to Spiral Image Generator

Photo to spiral art with PNG, JPEG, WebP and SVG export

Dithered Image Generator

Apply retro dithering to an image

Portrait Background Blur

Blur the background behind a subject

Sprite Sheet Slicer

Cut a sprite sheet into individual frames

Phone Wallpaper Resizer

Fit an image to your phone's wallpaper size

Hyperfocal Distance Calculator

Find the focus distance for maximum depth of field

Print Resolution Checker

Check if an image is sharp enough to print

Photo Object Eraser

Remove an unwanted object from a photo

Image to Braille Art

Convert images to Braille unicode art instantly

Seamless Texture Checker

Preview a texture repeated across a tile grid

Flash Guide Number Calculator

Work out flash aperture, distance, or power

Change PNG Brightness

Adjust PNG brightness free, no sign-up

Image Blind Watermark Viewer

Reveal hidden watermarks in an image

PNG/JPG to SVG Vectorizer

Trace a raster image into an SVG

LUT Applier

Apply a .cube color grading LUT to an image

Anaglyph 3D Maker

Turn a photo into a red-cyan 3D image

Height Map Generator

Convert an image into a grayscale height map

SVG Combiner

Combine multiple SVGs into one sprite file

Mirror Frame Image Generator

Create mirrored/kaleidoscope-style image frames

ND Filter Calculator

Calculate exposure time with a neutral density filter

Photo Color Matcher

Sample photo colors and compare them with a target palette

Image to Emoji Mosaic

Turn images into emoji art

Low-Poly Image Generator

Turn a photo into a low-poly triangle art style

Perler Bead Pattern Maker

Turn an image into a perler/fuse bead pattern

Pixel Art Upscaler

Scale up pixel art without blurring the edges

Red Eye Remover

Auto-detect or click to remove red eye

Depth of Field Calculator

Calculate the near/far sharp-focus range for a photo

Double Exposure Maker

Blend two photos into a double-exposure effect

Photo Metadata Timestamp Fixer

Fix EXIF timestamps across a batch of JPEG photos

Photo Bracketing Sequence Namer

Batch rename bracketed exposure photo sequences consistently

Light Leak Overlay

Create colorful photo overlay assets

Normal Map Generator

Generate a simple normal-map preview

Photo Grid Wallpaper Maker

Plan a tiled wallpaper grid

Image Vignette Strength Comparator

Compare vignette levels side by side

Photo Color Cast Corrector

Preview color cast correction

Image Color Palette Matcher

Extract a dominant color palette from any image

Image Contact Sheet Maker

Combine a batch of photos into one thumbnail grid

Panorama Stitcher

Preview how multiple photos line up into a panorama

Image Negative Space Analyzer

Estimate an image's negative space for text overlay placement

Video

62 tools

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Video Chapter Marker Tool

YouTube timestamp generator that validates chapter rules

Video Freeze Frame Exporter

Quick, free Video Freeze Frame Exporter in your browser

Video Silence Auto-Cutter

Quick, free Video Silence Auto-Cutter in your browser

Video Timestamp Comment Exporter

Quick, free Video Timestamp Comment Exporter in your browser

Video Transcript Search

Quick, free Video Transcript Search in your browser

Video to APNG Converter

Prepare video clips for APNG-style animation export

Boomerang Maker

Boomerang maker for smooth forward-backward loops

Instagram Reel Resizer

Frame videos for a 9:16 Reel

Frame-by-Frame Player

Frame-by-frame video player for local files & YouTube

Subtitle Shifter

Offset subtitle timing

Video Speed Changer

Set video playback speed and audio pitch

Screen Recorder

Record and download your screen

Webcam Test

Webcam test: preview, photo, fullscreen, FPS

Video Compressor

Reduce video size privately with quality presets

Video Merger

Join multiple clips into one video

Video Splitter

Split a video by parts, duration, or custom cuts

Frame Extractor

Grab still images from any video moment

Video Trimmer

Cut video clips to exact start/end times

Video Cropper

Crop video frames to any aspect ratio

Timelapse Maker

Build MP4 timelapse videos from photo sequences

Stop Motion Studio

Arrange frames into a stop-motion sequence

Webcam Recorder

Webcam recorder online - no install, no upload

Video Reverser

Design and preview a video played backward

Online Teleprompter

Scrolling script reader with speed control

Video Rotator

Fix sideways videos with 90-degree rotation

MKV to MP4 Converter

Repackage MKV files as MP4

Video Looper

Repeat a clip N times into one file

Video Metadata Viewer

Inspect codec, bitrate, fps and duration

Video to GIF Converter

Turn video clips into animated GIFs

Green Screen Tool

Chroma-key backgrounds out of videos

Video Watermarker

Overlay a logo or text on your video

Letterbox Tool

Fit videos into any ratio with padded bars

Video Rotate & Flip

Rotate or mirror video and download WebM

Subtitle Editor

Edit subtitle text and timings visually

Video Thumbnail Maker

Design thumbnails with text over a frame

SRT to VTT Converter

Convert SubRip subtitles to WebVTT, correctly

Video FPS Converter

Plan a frame-rate change and get the exact command

Slideshow Maker

Turn photos into a video slideshow with music

Video Resizer

Change resolution for web, mobile or social

Video Color Filter

Apply LUT-style color grades to clips

Video Muter

Strip the audio track from a video

Subtitle Burner

Hard-code SRT subtitles into videos

A-B Loop Player

A-B loop player for YouTube and local video

VTT to SRT

Convert WebVTT subtitles to SRT format

Scene Change Detector

Find video cuts with thumbnails and CSV export

Video Cover Frame Picker

Choose the best still frame as a video cover

Video Bitrate Calculator

Work out bitrate, file size, or duration

Lower Third Generator

Design a name and title overlay for video

Video Codec Comparison

Choose a codec for compatibility or size

FFmpeg Command Builder

Build ffmpeg commands without memorizing flags

Countdown Intro Maker

Create a downloadable countdown video clip

SWF Player

Play legacy Flash (.swf) files in-browser

Video File Size Estimator

Estimate export size before rendering

End Screen Template Maker

Draft YouTube end cards quickly

Livestream Bitrate Calculator

Calculate the right video/audio bitrate for streaming

Video Overlay Maker

Add graphic overlays and lower-thirds to video

Multi-Camera Angle Switcher Preview

Preview cuts between multiple synced video clips before editing

Split Screen Video Maker

Plan split-screen video layouts

Video Text Overlay Timeline Editor

Plan timed text overlays for video

Video Black Bar Remover

Detect and crop letterboxing or pillarboxing

Video File Format Identifier

Identify a video's container and codec instantly

Video Loudness Normalizer

Calculate the gain adjustment to hit a target LUFS

Audio

70 tools

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Audio Click and Pop Remover

Quick, free Audio Click and Pop Remover in your browser

Audio Crossfade Tool

Quick, free Audio Crossfade Tool in your browser

Audio Mono Compatibility Checker

Quick, free Audio Mono Compatibility Checker in your browser

Podcast Listener Survey Builder

Quick, free Podcast Listener Survey Builder in your browser

Podcast Loudness Normalizer

Quick, free Podcast Loudness Normalizer in your browser

Podcast RSS Feed Validator

Validate podcast RSS structure and GUIDs locally

Sound Intensity Level Converter

Quick, free Sound Intensity Level Converter in your browser

Vocal Doubling Effect Tool

Vocal doubling: delay, detune, and pan, downloadable

Voice Memo Transcript Timestamps

Quick, free Voice Memo Transcript Timestamps in your browser

Audio Looper and Extender

Repeat or stretch audio for loops

Silence Trimmer

Prepare audio silence cuts

Noise Remover

Clean up steady background noise

Audio Equalizer

Shape bass, mids, and treble

Audio Trimmer

Select and preview an audio segment

Drum Pad

Browser drum pad and 16-step beat sequencer

MIDI Player

Review MIDI sessions with focused browser controls

Volume Booster

Volume booster: boost or lower audio volume free

Mic Test

Check microphone input level and quality

Metronome

Practice with BPM, tap tempo, accents, and 6/8

Virtual Piano

Play, record, and download piano audio in your browser

Text to Speech

Convert typed text into natural spoken audio

Voice Changer

Voice changer: robot, chipmunk, deep, and echo effects

Audio Converter

Convert MP3, WAV, OGG, FLAC & M4A with sample rate control

Tone Generator

Generate sine, square, sawtooth, or triangle waves

Vocal Remover

Reduce centered vocals with private browser processing

Voice Recorder

Record, trim and rename voice memos

Audio Compressor

Compress audio to a target size or bitrate

Audio Merger

Join multiple tracks into one file

Audio Normalizer

Normalize audio by peak or RMS level

Waveform Image Maker

Turn an audio file into a downloadable waveform image

Pitch Shifter

Pitch shifter: change key, keep tempo, save MP3 or WAV

BPM Detector

Estimate tempo from an audio file

Channel Splitter

Export stereo left and right as mono WAV

White Noise Generator

Play white, pink, and brown noise for focus

Sample Rate Converter

Resample audio from 8 kHz to 96 kHz in your browser

Audio Visualizer

Real-time spectrum visualization of any track

Audio Speed Changer

Change tempo without altering pitch

Audio Reverser

Play audio backwards

Binaural Beats Generator

Create focus and relaxation frequencies

Tap BPM Counter

Tap along to find a song's tempo

Sound Level Meter

Measure ambient decibels via microphone

Fade Editor

Add fade-in and fade-out to tracks

Morse Code Audio

Convert text into playable Morse code beeps

Instrument Tuner

Tune guitar or ukulele using your microphone

Ringtone Maker

Cut songs into phone-ready ringtones

Hearing Frequency Test

Test the highest frequency you can hear

Stereo to Mono Converter

Merge stereo channels into mono

M4R Converter

Make iPhone ringtone files from any audio

Podcast Intro Maker

Layer voice over music with fades

IVR Audio Converter

Convert audio to PBX-ready mono WAV

Sleep Sound Mixer

Blend ambient sounds for sleeping

Note Length Table

Convert note values to milliseconds at a tempo

Audio Loop Maker

Audio loop maker: seamless loops with crossfade

Noise Gate Tool

Set gate threshold and timing for a recording

Note Frequency Chart

Look up the frequency of any musical note

Multi-Track Mixer

Mix audio tracks with live mute, solo, and preview

Transcript Timestamper

Add timestamps to a transcript as you listen

Decibel Calculator

Convert sound ratios into dB quickly

Compressor & Limiter

Shape audio dynamics locally

Audio Splitter

Split an audio file by equal parts, manual points, or silence

Reverb & Delay Tool

Add reverb and delay effects to an audio clip

Audio Bitrate Estimator

Estimate audio file size from bitrate and duration

Audio Loudness Range Meter

Measure LU/LUFS loudness range of an audio file

Audio File Batch Renamer

Rename audio files from metadata-style filename patterns

Speaker and Audio Channel Test

Test left and right audio channels

Water Ejection Sound Player

Play low tones for water clearing

Audio Sync Tool

Calculate audio offset timing

Podcast Length Planner

Plan episode segment timing

Podcast Transcript Speaker Labeler

Label speakers in a pasted podcast transcript

Voice Pitch Range Analyzer

Map voice pitch range quickly

Text & Writing

169 tools

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Adverb Overuse Finder

Quick, free Adverb Overuse Finder in your browser

Alt Text Quality Scorer

Quick, free Alt Text Quality Scorer in your browser

Anchor Text Diversity Scorer

Quick, free Anchor Text Diversity Scorer in your browser

Partnership Equity Splitter

Quick, free Partnership Equity Splitter in your browser

Cliche Phrase Finder

Quick, free Cliche Phrase Finder in your browser

Closed Caption Style Previewer

Quick, free Closed Caption Style Previewer in your browser

Data Subject Request Template Builder

Quick, free Data Subject Request Template Builder in

Dyslexia-Friendly Text Reformatter

Quick, free Dyslexia-Friendly Text Reformatter in your

Ebook Chapter Splitter

Split an EPUB into separate chapter files in your browser

Homophone Checker

Quick, free Homophone Checker in your browser

Momentum Collision Calculator

Quick, free Momentum Collision Calculator in your browser

Episode Release Checklist

Quick, free Episode Release Checklist in your browser

Sentence Length Variator

Quick, free Sentence Length Variator in your browser

Text Case Study Formatter

Quick, free Text Case Study Formatter in your browser

Text Chunker for Prompts

Quick, free Text Chunker for Prompts in your browser

Text Redaction Marker

Quick, free Text Redaction Marker in your browser

Text to Outline Converter

Quick, free Text to Outline Converter in your browser

Text Tone Checker

Quick, free Text Tone Checker in your browser

Text Voice Consistency Checker

Quick, free Text Voice Consistency Checker in your browser

Campsite Cost Splitter

Quick, free Campsite Cost Splitter in your browser

Text to Timestamp Script Aligner

Quick, free Text to Timestamp Script Aligner in your browser

Text Separator

Text separator: split and rejoin text by any delimiter

Add/Remove Line Numbers

Add or strip line numbers from pasted text

Text Similarity Checker

Compare two passages for shared language

Leet Speak Converter

Convert text to l33t with three intensity levels

Prefix Suffix Adder

Add text around every line

Whitespace Cleaner

Remove excess spaces and empty lines

Sentence Counter

Count sentences as you write

First Letter Capitalizer

Capitalize words or sentences

Text Truncator

Shorten text to a limit

Rhyme Finder

Explore rhyming word ideas

Grammar Case Fixer

Clean up text casing

Text Diff Checker

Compare two text versions

Markdown to Text

Turn Markdown into clean plain text

Upside Down Text

Flip text with playful Unicode characters

Text Cleaner

Fix spacing, blank lines and hidden characters

Number Extractor

Pull useful numbers out of mixed text

HTML to Markdown

Turn HTML into clean, readable Markdown

AI Content Detector

Review writing signals in a clear analysis panel

Speech to Text

Turn spoken words into editable text

Word Counter

Count words, characters, and readability score

Morse Code Translator

Translate text to Morse code and back, live

Text to Columns

Split text into columns and export aligned text or CSV

Character Counter

Live character count with social media limits

Text Repeater

Repeat any text as many times as you need

Markdown to HTML

Convert Markdown into clean HTML markup

Notepad Online

Distraction-free notes autosaved in your browser

Lorem Ipsum Generator

Generate placeholder text by words or paragraphs

Markdown Editor

Live side-by-side Markdown preview editor

Case Converter

Switch between UPPER, lower, Title and camelCase

Fancy Font Generator

Compare and copy decorative Unicode text styles

Email Extractor

Pull all email addresses out of any text

Text Summarizer

Extract key sentences from long text locally

Strikethrough Text Generator

Cross out text for any platform

Anagram Generator

Rearrange words and names into new combinations

URL Extractor

Extract every link from pasted content

Name Splitter

Split full names into clean first and last columns

Accent Remover

Strip accents and diacritics to plain ASCII text

List Comma Joiner

Join list lines with commas, quotes, or natural language

Old English Converter

Style text with medieval blackletter Unicode

Emoji Remover

Strip all emojis from pasted text

Acronym Generator

Generate acronyms with filler-word and case controls

Pig Latin Translator

Convert English to Pig Latin for fun

Binary Text Translator

Convert text to binary and back

Text to Slug Converter

Turn titles into URL-friendly slugs

Text to Emoji Translator

Sprinkle relevant emojis through your text

Comma to List Splitter

Break comma text into clean line lists

Quote Image Maker

Turn quotes into shareable social images

E-Mail Validator

Check email syntax, one or many at once

Phone Number Extractor

Find phone numbers in bulk text

Paragraph Counter

Count paragraphs and analyze structure

Reading Time Calculator

Estimate read time at adjustable WPM

Text to ASCII Art

Turn short text into block-letter ASCII art

Zalgo Text Generator

Create glitched, cursed-looking text

Text to Handwriting Converter

Turn typed text into a handwritten-style note image

Text Reverser

Reverse text by characters, words or lines

Word Frequency Counter

Rank every word by how often it appears

Line Sorter

Sort lines alphabetically, numerically or by length

Text Randomizer

Shuffle words, lines or letters randomly

Initials Extractor

Pull initials from lists of full names

NATO Phonetic Converter

Spell text in Alpha-Bravo-Charlie words

Line Break Remover

Clean broken lines from pasted PDF text

Invisible Character Tool

Copy or detect hidden Unicode characters

Plain Text Stripper

Strip rich text or HTML formatting to clean plain text

Text Line Joiner

Join lines of text with any separator

Find and Replace Tool

Bulk replace text with regex options

Mirror Text Generator

Reverse and flip text with a live preview

Cursive Text Generator

Cursive text generator: script and fraktur for any bio

Paste & Share Text Online

Paste and share text online via a private link

Readability Checker

Readability checker: 6 scores, toggleable highlighting

Keyword Extractor

Key phrases from any text, not just word counts

Duplicate Line Remover

Four ways to deduplicate a list, with the counts shown

Repeated Word Finder

Catch doubled-word typos and spot words you overuse

Haiku Checker

Haiku syllable checker with editable 5-7-5 counts

Word Wrap Tool

Wrap text to a column width, greedily or evenly

Vowel & Consonant Counter

Count letters with a defensible answer for y and accents

Small Text Generator

Create tiny Unicode text for bios and posts

Syllable Counter

Count syllables for poetry and lyrics

Braille Translator

Convert text into Unicode Braille patterns

Palindrome Checker

Test if words or phrases read the same reversed

Bullet Point Formatter

Convert plain lines into styled bullets

Letter Counter by Frequency

Analyze letter distribution in text

Grammar Checker

Grammar, spelling and readability checker

AI-Ready Prompt Optimizer

Turn rough ideas into structured AI prompts

String Joiner

Join a list of lines with any separator

String Repeater

Repeat text a set number of times

String Splitter

Split text into a list on any separator

Text Rewriter

Paraphrase text with synonym swaps

Dialogue Punctuation Checker

Check quotation and dialogue punctuation

Character Consistency Checker

Track character details across a manuscript

Profanity Filter

Find and mask strong language in text

Lyric Meter Checker

Check syllable counts and stress in lyrics

Big Text Generator

Turn short text into oversized block letters

Emoji Picker

Find and copy emoji by name or keyword

Remove Lines Containing Text

Delete lines that match a word or pattern

Chapter Word Count Tracker

Track word counts across a manuscript

Footnote Formatter

Renumber and format footnotes consistently

Manuscript Formatter

Format a manuscript to submission standards

Citation Style Converter

Citation style preview with a fixed APA-to-MLA example

AI Text Humanizer

Rewrite AI-sounding text to feel natural

Dot-Matrix Text Generator

Make retro LED dot-matrix text as a PNG

Markdown Link Checker

Find broken links inside Markdown files

Parts of Speech Tagger

Tag words by grammar role

Translation Glossary Manager

Manage bilingual term lists

Refund Request Draft

Write a clear refund request

Sentence Splitter

Break text into sentences cleanly

Writing Pace Tracker

Track words written over time

Style Guide Checker

Review writing against house rules

Press Release Formatter

Structure release copy neatly

Research Outline Builder

Build a structured academic research paper outline

Markdown TOC Generator

Generate a table of contents from Markdown headings

Text Redundancy Finder

Find repeated words, phrases, and redundant filler

Story Beat Sheet Builder

Plan a story using a standard beat-sheet structure

Inclusive Language Checker

Flag potentially non-inclusive words and suggest alternatives

Bilingual Text Aligner

Align two translated texts line by line

Content Idea Heap

Collect raw content ideas fast

Headline Angle Generator

Find sharper headline angles

Campaign Brief Synthesizer

Turn notes into campaign briefs

Brand Voice Checker

Review copy against voice rules

Social Caption Batcher

Draft multiple captions at once

CTA Variant Tester

Compare call-to-action options

Email Subject Line Lab

Test subject line ideas quickly

Note to Outline Converter

Turn rough notes into structure

HTML Entity Decoder

Turn entities back into text

AI Usage Policy Generator

Draft an AI usage policy from a template

Copyright Notice Generator

Create a copyright notice for content or code

Glossary Extractor

Pull key terms and definitions from a document

Pinyin Converter

Convert Chinese characters to Hanyu Pinyin

Show Don't Tell Finder

Flag "telling" sentences that could be shown instead

Passive Voice Detector

Highlight passive-voice sentences in your writing

Text Column Width Formatter

Format text into fixed-width newspaper-style columns

Text Diff Word-Level Highlighter

Highlight word-level differences between two texts

Text Line Diff Merger

Merge two text versions keeping changes from both

Number Style Consistency Checker

Flag inconsistent numeral vs spelled-out number usage

Filler Word Remover

Strip um, like, and other filler words from text

Poetry Meter Scanner

Scan poetry for stress patterns and poetic meter

Comma Splice Detector

Flag comma splices joining two full sentences

Podcast Episode Title Analyzer

Score podcast titles for clarity

AsciiDoc to Markdown

Convert common AsciiDoc syntax

Mojibake Repair Tool

Repair common encoding glitches

Sentence Starter Variety Checker

Spot repetitive sentence openings

Index Term Extractor

Extract likely back-of-book terms

Text Consistency Style Sheet Builder

Build a writing consistency sheet

Quote Attribution Formatter

Format a quote and author into a clean Markdown blockquote

News Article Structure Checker

Check a news draft against inverted pyramid structure

Character Count Per Line Checker

Check each line of text against a max character limit

Text Anonymizer for Sharing

Redact names and identifying details before sharing text

Paragraph Topic Sentence Highlighter

Check each paragraph for a clear topic sentence

Show Notes Template Builder

Get a structured show notes template for a podcast episode

Generators

107 tools

View all →

Cursive Letter Formation Guide

Quick, free Cursive Letter Formation Guide in your browser

Tavern Name Generator

Quick, free Tavern Name Generator in your browser

Duplicate Title Finder

Quick, free Duplicate Title Finder in your browser

Exit Ticket Generator

Quick, free Exit Ticket Generator in your browser

Podcast Name Generator

Quick, free Podcast Name Generator in your browser

Random Coordinate Generator

Generate random coordinates within a region

Random Costume Idea Generator

Quick, free Random Costume Idea Generator in your browser

Tavern Menu Generator

Quick, free Tavern Menu Generator in your browser

Mythical Creature Generator

Quick, free Mythical Creature Generator in your browser

Superhero Team Generator

Quick, free Superhero Team Generator in your browser

Scented Candle Name Generator

Quick, free Scented Candle Name Generator in your browser

Superhero Name Generator

Quick, free Superhero Name Generator in your browser

Team Name Generator

Quick, free Team Name Generator in your browser

Baby Name Generator

Browse name ideas by origin and style

Date Night Idea Generator

Find an idea for your budget and mood

Character Backstory Generator

Create RPG character histories

Seating Chart Randomizer

Randomly assign guests to seats or tables

Placeholder Image Generator

Create placeholder image specs

Playlist Name Generator

Create playlist title ideas

License Plate Generator

License plate generator: custom plate designs free

Pet Name Generator

Find a name with personality

Random Name Generator

Generate varied fictional names

QR Code Generator

Create a downloadable QR code

Barcode Generator

Create EAN, UPC, and Code128 barcodes

Password Generator

Create strong random passwords with options

Fantasy Name Generator

Names for elves, orcs, and RPG characters

Random Number Generator

Random integers within any range

Name Picker

Pick random names with no-repeat winners

Random Word Generator

Random nouns, verbs, or adjectives on demand

Team Generator

Split a list of people into fair teams

Coin Flip

Fair heads-or-tails with streak history

Dice Roller

Roll d4 to d100 dice with history and modifiers

Username Generator

Username generator: 14 platforms, leetspeak, start letter

Magic 8 Ball

Ask a question, shake for an answer

Email Signature Generator

Design professional HTML email signatures

Blog Title Generator

Headline formulas filled with your keyword

Writing Prompt Generator

Creative story starters by genre

PIN Generator

Random numeric PINs of any length

Random Animal Generator

A random animal, its emoji, and a real fact

Random Sentence Generator

Random, grammatically complete English sentences

Fake Data Generator

Generate fake CSV and JSON data for testing

Slogan Generator

Create memorable brand slogan ideas

Random Quote Generator

Find a fresh thought for the moment

Business Name Generator

Brandable company name ideas by keyword

Workout Generator

Random exercise circuits by muscle group

Random Picker Wheel

Spin a wheel to pick from your list

vCard Generator

Create downloadable digital contact cards

IBAN Test Generator

IBAN test samples with mod-97 check digits

Fortune Cookie Generator

Themed fortunes, lucky numbers, daily cookie

UUID Generator

Generate v4 UUIDs in bulk

Random Color Generator

Random colors with HEX and RGB values

Band Name Generator

Random creative band name ideas

Passphrase Generator

Generate memorable passphrases with entropy estimates

Would You Rather Generator

Random dilemma questions for groups or solo play

Acronym Name Finder

Words your initials could stand for

Meal Idea Generator

Random dinner ideas by cuisine and diet

Credit Card Test Number Generator

Luhn-valid test numbers for payment form testing

Random Excuse Generator

A random excuse for work, school, or social plans

Gift Idea Generator

Gift ideas filtered by interest and budget

Truth or Dare Generator

Pick playful party prompts

GUID Generator

Windows-style GUIDs with formatting options

Random Email Generator

Disposable-style test email addresses

Random Question Generator

Random question generator with no early repeats

Random Country Picker

A fair pick from the 195 countries, with the method stated

Domain Name Generator

Suggest domain ideas from keywords

Random Address Generator

Realistic fake addresses by country

Secret Santa Generator

Draw gift-exchange pairs with exclusions

Story Plot Generator

Random plots with conflict and setting

WiFi QR Code Maker

Let guests scan to join your WiFi

Affirmation Generator

Daily positive affirmations by theme

Book Title Generator

Draft book title ideas by genre and tone

Chatbot Persona Card Builder

Define a chatbot's voice, limits, and refusals

Review Request Generator

Draft a review request customers answer

Offer Letter Builder

Draft a clear employment offer letter

Invitation Wording Helper

Word an invitation clearly and correctly

Random Emoji Generator

Pick random emoji from a category

Plain Text Email Generator

Produce a plain text version of an HTML email

Value Proposition Builder

Write a value proposition that says something

Affidavit Template Builder

Draft an affidavit with the standard structure

Freelance Contract Builder

Draft a freelance agreement with the key clauses

Debt Reminder Letter Builder

Write a payment reminder that stays professional

Raffle Ticket Generator

Raffle ticket layout preview with numbering fields

Random Book Title Generator

Generate genre-fitting book title ideas

Random Disney Character Generator

Generate random Disney character ideas

Random File Generator

Random file generator for exact-size test files

Podcast Episode Title Generator

Suggest catchy episode titles from a topic

Event Ticket Generator

Design event tickets with a QR code and PDF export

Anniversary Gift Guide

Find thoughtful gift ideas by budget and style

Cocktail Ratio Builder

IBA classics, batch scaling, dilution built in

Phrasebook Generator

Build quick travel phrases by topic

QR Check-In Tool

Generate QR codes for event attendee check-in

Random Pokemon Generator

Get a random Pokémon with its type and stats

Runic Script Converter

Convert English text into Elder Futhark runes

Unsubscribe Footer Generator

Generate a compliant email unsubscribe footer

Capo Position Calculator

Find capo position and shapes to play a song in a key

Tempo to Delay Calculator

Convert a song's BPM into delay/echo pedal times

Drum Notation Sheet Generator

Build a drum beat, hear it play, and export the notation

Hex Map Generator

Generate procedural hex-grid fantasy maps

Nutrition Label Generator

Create an FDA-style Nutrition Facts panel

Resignation Letter Builder

Generate a professional resignation letter

Random Superpower Generator

Generate a random unique superpower with a twist limitation

Random Plot Bunny Generator

Random story ideas with premise, twist and character

Trivia Team Name Generator

Generate names for trivia teams

Nickname Generator

Get short-form and creative nickname ideas from a name

Random Recipe Name Generator

Generate a plausible-sounding recipe name by cuisine and mood

Villain Motivation Generator

Generate a compelling motivation for a story villain

Fictional Planet Name Generator

Generate sci-fi planet names by world style

Unit Converters

99 tools

View all →

Altitude Baking Adjuster

Quick, free Altitude Baking Adjuster in your browser

Aquarium Volume Calculator

Quick, free Aquarium Volume Calculator in your browser

AR Marker Size Calculator

Quick, free AR Marker Size Calculator in your browser

Concrete Mix Ratio Converter

Quick, free Concrete Mix Ratio Converter in your browser

Drill Bit Size Converter

Quick, free Drill Bit Size Converter in your browser

T-Shirt Size Collector

Quick, free T-Shirt Size Collector in your browser

Horsepower Type Converter

Quick, free Horsepower Type Converter in your browser

Screw Thread Size Converter

Quick, free Screw Thread Size Converter in your browser

Shaft Diameter Calculator

Quick, free Shaft Diameter Calculator in your browser

Supports Material Estimator

Quick, free Supports Material Estimator in your browser

Curtain Length Calculator

Quick, free Curtain Length Calculator in your browser

Luminance Converter

Convert luminance units for display and lighting work

Capacitance Converter

Convert farads across common capacitance units

Pixel to Inch Converter

Convert screen pixels using a DPI value

Hat Size Converter

Convert head circumference to hat sizes

Bra Size Converter

Compare bra sizes by region

Pressure Converter

Convert common pressure units

Energy Converter

Joules, calories, kWh and BTU

Area Converter

Square meters, acres, hectares and square feet

Current Converter

Convert electrical current units

Voltage Converter

Convert between voltage units

Power Converter

Convert between watts, kilowatts, and horsepower

Torque Converter

Convert N·m, ft-lb, in-lb, and kgf torque units

Length Converter

Convert meters, feet, inches, miles and more

Weight Converter

Convert kg, pounds, ounces, stones

Volume Converter

Liters, gallons, cups and milliliters

Frequency Converter

Hz, kHz, MHz, GHz and RPM

Speed Converter

km/h, mph, knots and meters per second

Roman Numeral Converter

Convert numbers and Roman numerals both ways

Height Converter

Feet and inches to centimeters

Shoe Size Converter

US, UK, EU and CM shoe sizes

Data Transfer Rate Converter

Mbps, MB/s and download time context

Radiation Unit Converter

Convert Sievert, rem, Gray, and rad dose units

Wind Speed Converter

Convert wind speed across five units and Beaufort force

Temperature Converter

Celsius, Fahrenheit and Kelvin conversion

Density Converter

kg/m3, g/cm3 and lb/ft3

Ring Size Converter

US, UK and EU ring sizes with mm

Clothing Size Converter

Convert sizes between US, UK, and EU

Font Size Converter

Convert px, pt, em, rem, and percent

Luminosity Converter

Convert between lumens, candela, lux, and foot-candles

Mileage Unit Converter

Convert MPG (US/UK), L/100km, and km/L

Viscosity Converter

Convert dynamic viscosity units instantly

Angle Converter

Degrees, radians and gradians

Number to Words Converter

Numbers spelled out, including lakh and crore

Data Size Converter

Bytes, KB and KiB, with the drive-label gap explained

Time Unit Converter

Seconds, minutes, hours, days, years

Oven Temperature Converter

Fahrenheit, Celsius and gas marks, with the real dial setting

Byte Size Calculator

Both unit systems side by side, so 1 TB vs 931 GB makes sense

Paper Size Guide

A4, Letter, Legal dimensions in all units

Force Converter

Convert between force units

Fuel Economy Converter

MPG to L/100km and km/L

Currency Denomination Counter

Count cash totals from note quantities

Gold Weight Converter

Grams, troy ounces, tolas and carats

Parts Per Converter

Convert between percent, ppm, ppb, and ppt

Reactive Power Converter

Convert between VAR, kVAR, and MVAR

Reactive Energy Converter

Convert between VARh, kVARh, and MVARh

Volumetric Flow Rate Converter

Convert between L/min, m3/h, gal/min, and ft3/min

Charge Converter

Convert between coulombs, amp-hours, and mAh

Leak Loss Calculator

Estimate water lost through a leak

Plaster and Render Calculator

Estimate plaster or render quantities

Deck Board Calculator

Count deck boards, joists, and fixings

Duct Size Calculator

Size ventilation duct for a given airflow

EV Charging Time Calculator

Estimate how long a charge will take

Wheel Offset Calculator

Compare wheel offset, width, and clearance

Scale Model Converter

Scale model conversion examples for common kit scales

Battery Charge Manager

Plan charge limits that extend battery life

Irrigation Requirement Calculator

Work out run times for an irrigation zone

Drywall Sheet Calculator

Count plasterboard sheets, screws, and tape

Formwork Area Calculator

Measure the contact area of concrete formwork

Pesticide Dilution Calculator

Mix spray concentrate to the correct rate

Rebar Weight Calculator

Calculate rebar weight from bar size and length

Insulation R-Value Calculator

Calculate total assembly R-value from layers

Asphalt Tonnage Calculator

Estimate asphalt tons for a paving area

Antenna Gain Converter

Convert antenna gain between dBi and dBd

Fertilizer Application Calculator

Calculate fertilizer amount needed per area

Local Land Unit Converter

Convert between local and metric land area units

Pipe Volume & Flow Calculator

Calculate a pipe's volume and flow rate

Rafter Length Calculator

Calculate rafter length from span, rise, and overhang

Retaining Wall Calculator

Estimate retaining-wall blocks, gravel, and backfill

Lab Unit Converter

Convert common lab measurement units

Material Wastage Calculator

Add a realistic wastage allowance to a material order

Cable Tray Fill Calculator

Calculate cable tray fill percentage against code limits

Tire Wear Estimator

Estimate tire wear rate and miles remaining

Chain & Sprocket Calculator

Sprocket & chain calculator: ratio, length, speed

Metal Purity Converter

Convert between karat, fineness, and percentage purity

Wire Gauge (AWG) Converter

Convert AWG wire gauge to mm, area, and ampacity

Firewood Volume Converter

Convert firewood between cords, cubic meters, and stacks

Pool Volume Calculator

Compute swimming pool volume from shape and dimensions

Suitcase Volume Calculator

Calculate suitcase volume in liters and cubic inches

Torque to Horsepower Converter

Convert torque and RPM into horsepower

Baking Pan Size Converter

Swap pan sizes without changing your recipe

Nautical Unit Converter

Convert knots, nautical miles, and fathoms

Helmet Size Converter

Convert helmet sizes by head measure

Ring Stone Carat to MM Converter

Convert stone carat to millimeters

Mattress Size Converter

Convert mattress sizes between US, UK, and metric names

Baking Temperature Converter by Oven Type

Convert a baking temperature between conventional, fan, and gas mark

Firewood BTU Comparator

Compare heat output between firewood species

Firewood Moisture Content Converter

Convert firewood moisture readings between wet and dry basis

Kitchen Scale Ingredient Density Converter

Convert a recipe's cup measurement to grams

Data Converters

44 tools

View all →

CSV to Timeline Converter

Quick, free CSV to Timeline Converter in your browser

Geo Coordinate CSV Plotter

Quick, free Geo Coordinate CSV Plotter in your browser

Markdown Table to CSV

Turn Markdown tables into CSV

SQL Insert Generator

Turn CSV rows into INSERT statements

KML to GPX Converter

Convert map and GPS track files

JSON to TSV

Turn JSON arrays into tab-separated tables

CSV to JSON Converter

Prepare CSV data as JSON

Excel to JSON Converter

Prepare spreadsheet data as JSON

JSON to XML Converter

Turn JSON data into readable XML

Base64 to Image

Decode Base64 into an image

EPUB Reader

Read EPUB books in a focused browser workspace

Excel to CSV Converter

Extract sheets from XLSX as CSV

XML to JSON Converter

Parse XML into clean JSON objects

GPX Viewer

Route distance, elevation, and shape from a GPX file

TSV to JSON Converter

Convert tab-separated data into a JSON array

SQL to CSV Extractor

Extract data from SQL INSERT statements to CSV

Text to CSV Column Mapper

Turn delimited text into a named, previewed CSV

CSV to Excel Converter

Turn CSV files into polished Excel workbooks

Moving Average Calculator

Moving average calculator: SMA, WMA & EMA

Email List Cleaner

Clean, deduplicate, and validate email lists locally

Word to Image Converter

Word text to PNG with font and background options

CSV to HTML Table

Generate styled HTML tables from CSV

vCard to CSV Converter

Export contact files as spreadsheets

Font Converter

Preview fonts, read metadata, and export @font-face CSS

Parquet Viewer

Validate a Parquet file's structure locally

FB2 to EPUB Converter

Convert FictionBook files to EPUB

CSV to Markdown Table

Turn CSV data into a Markdown table

JSON to Python Dataclass

Generate a Python dataclass from JSON

GeoJSON to CSV

Flatten GeoJSON features into a CSV table

JSON to CSV Converter

Flatten JSON arrays into spreadsheet-ready CSV

HTML Table to CSV

Convert HTML table markup into a CSV file

ICS to CSV Converter

Turn calendar exports into table rows

SRT to Text Converter

Strip timestamps from subtitle files

YAML to JSON Converter

Convert both ways, and be told what YAML silently changed

CSV to ICS Converter

Turn a spreadsheet of dates into a calendar file, correctly

TSV to CSV Converter

Swap between tab and comma delimiters

CSV to vCard Converter

Build contact cards from spreadsheet data

Base32 Encoder Decoder

Encode and decode Base32 text and keys

Char to ASCII

Convert characters to ASCII and Unicode code points

DBF File Viewer

View .dbf files: search, sort, export CSV

SQL to Pandas Converter

Translate SQL ideas into pandas steps

Parquet to CSV Converter

Prepare parquet data for CSV export

Binary to String Converter

Convert binary code into readable text

Avro File Viewer

View an Apache Avro file's schema and records as JSON

File Converters

14 tools

View all →

HEIC to WEBP Converter

Prepare HEIC photos as WEBP

Word to HTML Converter

Configure DOCX-to-HTML conversion settings

ICO to JPG Converter

Turn icon files into JPG images

SVG to JPG

Rasterize SVG artwork as JPG

Video Converter

Convert video files, right in your browser

PDF to Word Converter

PDF to editable .docx, never uploaded

JPG to PDF Converter

Turn one or more images into a single PDF file

Text to PDF Converter

Turn plain text into a formatted PDF, styled your way

Video to MP3 Converter

Video to MP3 converter — also M4A, WAV & FLAC, no upload

TIFF to PNG Converter

Turn TIFF pages into crisp PNG images

TIFF to JPG

Prepare TIFF images for JPG conversion

Video to WebP Converter

PNG to AVIF

Convert PNG images to AVIF format

Remove ZIP Password, when the current password is known

Known-password ZIP removal workflow checklist

Developer

247 tools

View all →

API Rate Limit Header Parser

Quick, free API Rate Limit Header Parser in your browser

Code Snippet Version Diff

Quick, free Code Snippet Version Diff in your browser

Curl Command Generator

Quick, free Curl Command Generator in your browser

Env Var Naming Linter

Quick, free Env Var Naming Linter in your browser

Extension Permission Explainer

Quick, free Extension Permission Explainer in your browser

Feature Flag Config Diff

Quick, free Feature Flag Config Diff in your browser

Focus Indicator Tester

Quick, free Focus Indicator Tester in your browser

GraphQL Schema Visualizer

Quick, free GraphQL Schema Visualizer in your browser

gRPC Request Builder

gRPC request builder: get a ready-to-run grpcurl command

INI File Parser

Parse INI files to JSON, with duplicate warnings

JSON Array Sorter

Quick, free JSON Array Sorter in your browser

JSON to SQL Schema Generator

Quick, free JSON to SQL Schema Generator in your browser

Kotlin Code Formatter

Quick, free Kotlin Code Formatter in your browser

Kubernetes YAML Validator

Quick, free Kubernetes YAML Validator in your browser

METAR Decoder

Quick, free METAR Decoder in your browser

Nested JSON Flattener

Quick, free Nested JSON Flattener in your browser

Newton's Method Visualizer

Quick, free Newton's Method Visualizer in your browser

OpenAPI Spec Visualizer

Quick, free OpenAPI Spec Visualizer in your browser

package.json Script Explainer

Quick, free package.json Script Explainer in your browser

Postman Collection Viewer

View and search Postman collections in your browser

REST to GraphQL Mapper

Quick, free REST to GraphQL Mapper in your browser

Rust Struct Generator

Quick, free Rust Struct Generator in your browser

Semver Range Tester

Quick, free Semver Range Tester in your browser

Severance Package Calculator

Quick, free Severance Package Calculator in your browser

T-Test Calculator

Quick, free T-Test Calculator in your browser

Terraform HCL Formatter

Quick, free Terraform HCL Formatter in your browser

TOML Formatter & Validator

Quick, free TOML Formatter & Validator in your browser

Family Tree Builder

Quick, free Family Tree Builder in your browser

Game Server Tick Rate Explainer

Quick, free Game Server Tick Rate Explainer in your browser

SQL Explain Plan Visualizer

Turn query plans into a readable tree

Service Worker Generator

Build a starter service worker quickly

HTML Code Editor

HTML code editor with live preview and console

Punycode to Unicode

Decode punycode domains into readable Unicode labels

Decode Quoted Printable

Decode quoted-printable email text

SVG Wave Generator

Generate decorative wave section dividers

CSS Clip Path Maker

Draw polygon clip paths visually

HTML Entity Encoder

Escape and decode HTML characters

Lorem JSON Generator

Generate realistic mock JSON payloads

Binary Hex Decimal Converter

Convert between number bases instantly

Gitignore Generator

Build .gitignore files by tech stack

Nginx Config Generator

Generate server block configs from a form

Webpack Config Generator

Create a starter webpack setup

Docker Image Size Estimator

Estimate container footprint before build

Glob Pattern Tester

Preview glob matching for candidate file paths

JSON Viewer

Explore JSON data clearly

Embed Code Generator

Embed code generator for iframe and video links

Touchscreen Test

Check touch support and gesture response

What Is My Browser

See your browser and device details

URL Parser

Break a URL into its parts, copy any field

Sitemap Generator

Build safer XML sitemaps from a URL list

JSON Formatter

Pretty-print, validate, and minify JSON

Meta Tag Generator

Generate SEO and social meta tags

YAML Validator

Lint YAML files and catch indent errors

CSS Formatter

Beautify and organize stylesheets

HMAC Generator

Compute keyed HMAC signatures

ASCII Table Reference

Interactive searchable ASCII chart

SVG Blob Generator

Random organic blob shapes for design

Mock API Response Builder

Generate mock JSON API responses from a field list

License Chooser

Answer three questions, get a suggested open-source license

Open Graph Previewer

Preview how your link looks when shared

CSS Cubic Bezier Editor

Drag-and-drop editor for CSS timing functions

XML Formatter

Beautify and validate XML documents

SQL Formatter

Beautify SQL queries with keyword casing

Hash Generator

MD5, SHA-1, SHA-256 hashes of text

Docker Run to Compose

Convert docker run commands to compose files

Regex Tester

Test regular expressions with live matches

JWT Decoder

Decode JWT headers and payloads locally

Regex Cheat Sheet

Interactive regex reference with examples

CSS Grid Generator

Visually design grids and copy the CSS

CSS Minifier

Compress CSS files for faster loads

JSON Minifier

Strip whitespace for smaller payloads

Checksum Verifier

Verify file integrity against a hash

HTTP Status Code Reference

Searchable HTTP status code explanations

Unicode Character Inspector

Inspect every character's codepoints in text

Semver Checker

Compare and validate semantic versions

HTML Boilerplate Generator

Custom HTML5 starter templates

CSS Filter Playground

Preview CSS filters on sample images

Keyboard Event Tester

Inspect keyboard events, codes, and modifiers

JWT Encoder / Decoder

Decode and mint HS256 JWTs

Diff Checker

Side-by-side code diff with syntax colors

README Generator

Form-based README.md builder

Robots.txt Generator

Build robots.txt rules with a wizard

CSS Gradient Generator

Build linear and radial gradients visually

JSON Diff Tool

Compare two JSON objects structurally

Base64 Encoder Decoder

Encode or decode Base64 text instantly

URL Encoder Decoder

Percent-encode and decode URLs

Code Screenshot Maker

Turn code snippets into shareable images

Hex to Text Converter

Convert hex bytes to text and back

Git Command Cheat Sheet

Searchable reference for common Git commands

HTAccess Redirect Generator

Generate Apache .htaccess redirect rules

CSS Animation Generator

Build CSS keyframe animations with a live preview

SVG Path Editor

Preview and style SVG path data

Encode Quoted Printable

Encode or decode Quoted-Printable (MIME) text

Source Code Downloader

Plan a website source archive

Query String to JSON

Turn URL parameters into structured JSON

HTML Minifier

Compress HTML for production

HTML Formatter

Beautify messy HTML markup

UNIX Timestamp Converter

Timestamps to dates, with the unit detected

JavaScript Minifier

Shrink source code for distribution

Code Beautifier Multi-Language

Format code for easier reading

User Agent Parser

Inspect browser and device details

Text Encoding Detector

Identify likely text encodings

Crontab Guru Clone

Explain cron expressions in plain English

CSS Specificity Calculator

Cookie Viewer

ARIA Attribute Reference

GZIP Compression Test

Estimate GZIP compression ratio and savings

Unicode to Punycode

Browser Fingerprint Audit

Slug Generator

URL slugs that keep the letters others drop

JSON to TypeScript Types

Types that account for every array element, not just the first

Cron Expression Builder

Evaluates the schedule instead of just describing it

Code Syntax Highlighter

Highlighted HTML you can paste anywhere, even without CSS

String Escape Tool

Escape for twelve targets, and see why the context matters

Env File to JSON

Convert .env to JSON and back, respecting all three quote styles

JSON Validator

Find syntax errors with line-level hints

Tailwind Class Converter

CSS to utilities and back, with v4 values and nothing dropped

Color Code Converter

HEX, RGB, HSL, CMYK conversion

SVG Optimizer

Minify SVG code while keeping visuals

JavaScript Formatter

Pretty-print minified JS code

JSON Path Tester

Query JSON with JSONPath expressions

UUID Validator

Check UUID format and version

MIME Type Lookup

Find MIME types by file extension

Character Code Lookup

Get HTML codes for special characters

Chmod Calculator

Convert file permissions to octal notation

Flexbox Playground

Interactive flexbox property sandbox

CSS Units Converter

Convert px to rem, em and vw

HTML Entity Decode

Decode or encode HTML entities

Lua Beautifier

Format and indent messy Lua code

PHP Formatter & Beautifier

Format and indent messy PHP code

GraphQL Formatter

Format and indent GraphQL queries

SOAP Formatter

SOAP formatter — beautify SOAP XML envelopes free

XPath Tester

Test XPath expressions against XML

ASCII to Text

Convert ASCII codes back to readable text

Text to Octal

Convert text into octal character codes

Octal to Text

Convert octal codes back to readable text

Text to Decimal

Convert text into decimal character codes

Decimal to Text

Convert decimal codes back to readable text

Octal to Decimal

Convert base-8 numbers to base-10

Decimal to Octal

Convert base-10 numbers to base-8

HEX to Octal

Convert base-16 numbers to base-8

Octal to HEX

Convert base-8 numbers to base-16

HTML Table Generator

Build clean HTML table markup from rows and columns

Identifier Case Converter

Convert identifiers between naming conventions

GitHub Actions Workflow Builder

Draft a CI workflow YAML from your choices

Migration SQL Generator

Draft up and down migration SQL

IndexedDB Inspector

Inspect IndexedDB stores, records, and indexes

Focus Order Visualizer

See the keyboard tab order of a page

Binary File Diff

Compare two binary files byte by byte in hex

SQL Dump Splitter

Split SQL dumps safely for import size limits

Raspberry Pi GPIO Pinout

Look up Pi header pins and their functions

Image Map Generator

Create clickable regions on an image

Regex Explainer

Break a regular expression into plain English

Vite Config Generator

Assemble a Vite config for your setup

Dockerfile Builder

Build a Dockerfile with sensible defaults

UUID Version Detector

Identify which UUID version you have

HAR File Viewer

Read a HAR capture without devtools

Notification Permission Tester

Test browser notification permission states

Bootstrap to Tailwind Converter

Map Bootstrap classes to Tailwind equivalents

Jupyter Notebook Viewer

View .ipynb cells and saved outputs online

Deep Link Builder

Deep link builder: intent URL, universal link, QR

BBCode Viewer

Preview BBCode as rendered HTML

JavaScript Syntax Validator

Find JavaScript syntax errors without running code

Mouse Button and Scroll Test

Test every mouse button and scroll wheel

Regex Generator from Examples

Infer a regex pattern from sample strings

tsconfig Builder

Generate a tsconfig.json from options

Makefile Generator

Generate a Makefile for your project

MongoDB ObjectId Decoder

Decode a MongoDB ObjectId's timestamp

Swagger to Postman Converter

Convert an OpenAPI spec to a Postman collection

Media Devices Lister

List connected cameras and microphones

Tailwind Config Generator

Generate a tailwind.config.js from options

Code Comment Stripper

Remove comments from source code

reStructuredText to Markdown

Convert RST documents to Markdown

Barcode Scanner

Scan barcodes with your camera

JSONL Dataset Formatter

Convert a JSON array to JSON Lines format

C# Escape / Unescape

Escape and unescape C# string literals

Base58 Encoder/Decoder

Encode and decode text using Base58

Byte to String Converter

Convert byte arrays to readable strings and back

DSA Helpers

Common data structure and algorithm utility snippets

Source Code Highlighter with HTML Export

Syntax-highlight code and export as styled HTML

GPU / WebGL Test

Check browser WebGL support and GPU capabilities

ESLint Config Builder

Build a custom .eslintrc through a form

GitLab CI Config Builder

Generate .gitlab-ci.yml pipelines visually

Retry & Backoff Calculator

Model retry delays for exponential backoff strategies

GraphQL Query Builder

Construct GraphQL queries with a visual builder

Geolocation API Tester

Test browser geolocation requests and responses

Screen Reader Text Preview

Preview how screen readers announce page content

Email Client Preview Tester

Preview email HTML across major clients

Stepper Steps per mm Calculator

Estimate travel resolution precisely

Keyboard Shortcut Conflict Checker

Find shortcut clashes fast

Unused CSS Finder

Spot selectors that never match

Structured Output Validator

Validate JSON-shaped responses

Firewall Rule Generator

Draft firewall rules quickly

Hex Editor

View and edit a file's raw bytes in hex and ASCII

Prompt Injection Test Suite

Run a checklist of common prompt-injection test strings

Sequence Diagram Generator

Turn simple text into a UML sequence diagram

gitattributes Generator

Generate a .gitattributes file for your project type

Babel Config Generator

Generate a babel.config.json for your project setup

.env Example Generator

Turn a real .env file into a safe .env.example

SQL Index Advisor

Get index suggestions from a SQL query and schema

Browser Storage Quota Checker

Check how much browser storage your site can use

ARIA Role Validator

Check ARIA roles and attributes in HTML for common mistakes

Critical CSS Extractor

Pull above-the-fold CSS rules out of a stylesheet

Fail2ban Config Generator

Generate a fail2ban jail.local configuration

Arduino Pin Reference

Look up pinout details for common Arduino boards

Coordinate Projection Tool

Convert between latitude/longitude and UTM coordinates

Engineering Incident Review

Retrospect technical incidents cleanly

API Contract Checker

OpenAPI diff tool: compare specs, catch breaking changes

JSON Schema Diff

Spot schema changes fast

Markdown Lint Auditor

Audit markdown style quickly

Git Commit Message Helper

Draft cleaner commit messages

Branch Name Normalizer

Format branch names consistently

Changelog Draft Maker

Turn changes into release notes

Release Readiness Checklist

Review launch steps before release

Dependency Update Planner

Plan package updates safely

Log File Summarizer

Condense logs into key events

Baud Rate Error Calculator

Check UART baud rate error percentage

Embedding Similarity Calculator

Compute cosine similarity between vector embeddings

PCB Impedance Calculator

Calculate microstrip trace impedance for PCB design

Rust Code Formatter

Beautify Rust source with rustfmt-style rules

Ansible Playbook Linter

Check YAML playbooks for common Ansible mistakes

Swift Codable Generator

Generate Swift Codable structs from JSON samples

Cron to Human Sentence

Explain a cron expression in plain English

Semantic Diff for Code

Compare two code snippets ignoring whitespace and comments

API Error Code Reference Builder

Build a searchable reference table of custom API error codes

Protobuf Schema Viewer

Protobuf schema viewer for field names, types & tags

gRPC Proto to JSON Sample

Generate a sample JSON payload from a proto message

cURL to Fetch Converter

Turn a curl command into JavaScript fetch code

Webhook Payload Inspector

Pretty-print and inspect a webhook JSON payload

Feature Toggle Naming Generator

Generate consistent feature flag names

Prettier Config Builder

Build a Prettier config visually

Jenkinsfile Generator

Draft a declarative pipeline

Rate Limit Planner

Model API request budgets

GraphQL to TypeScript Types

Sketch TypeScript from GraphQL

Endianness Converter

Swap byte order safely

Few-Shot Example Formatter

Format prompt examples consistently

Email CSS Inliner

Inline simple email CSS rules

Component Prop Table Generator

Generate clean component prop docs

JSON Config Merge Tool

Preview merged JSON configs

HTTP/2 vs HTTP/1.1 Explainer

Compare web protocol behavior

Feature Flag JSON Builder

Build a feature flag config JSON from a list of flags

REST Endpoint Namer

Generate consistent REST endpoint names from a resource and action

API Versioning Strategy Advisor

Get a recommended API versioning strategy for your context

Debounce/Throttle Visualizer

Visualize how debounce and throttle handle a burst of events

JSON Web Key Set Viewer

View a JWKS as a readable list of keys

Array Method Chain Visualizer

See an array's state after each method in a chain

Async/Await Flow Visualizer

See a timeline of sequential async/await execution

Data & CSV

87 tools

View all →

Column Statistics Comparator

Quick, free Column Statistics Comparator in your browser

CSV Header Renamer

Quick, free CSV Header Renamer in your browser

CSV Type Detector

Quick, free CSV Type Detector in your browser

Data Profiling Report Generator

Quick, free Data Profiling Report Generator in your browser

Duplicate Column Detector

Catch duplicate and near-duplicate CSV columns

Helm Chart Values Explainer

Quick, free Helm Chart Values Explainer in your browser

Long to Wide Format Converter

Quick, free Long to Wide Format Converter in your browser

Multi-CSV Column Comparator

Quick, free Multi-CSV Column Comparator in your browser

Personal SWOT Analysis Builder

Quick, free Personal SWOT Analysis Builder in your browser

Woodturning Speed Chart

Quick, free Woodturning Speed Chart in your browser

Random Data Shuffler

Randomize row order for experiments

Phone Number Formatter

Standardize phone formats in bulk

CSV Filter Tool

Filter CSV rows with simple conditions

CSV Editor

Edit CSV data in a clean spreadsheet grid

Chart Maker

Paste data, get a bar, line, or pie chart

CSV Statistics

Instant min/max/mean/nulls per column

CSV Viewer

Open large CSVs fast with sorting and search

Word Cloud Generator

Turn text into weighted word clouds

Data Sampler

Pull a random, first-N, or systematic sample from CSV data

CSV Column Reorderer

Reorder or drop CSV columns without a spreadsheet

Quick Graph Plotter

Instant line or bar chart from pasted label,value data

Data Anonymizer

Mask, hash, or remove sensitive CSV columns

CSV Merger

Merge CSV files with matching headers into one download

CSV Validator

Detect malformed rows and encoding issues

Table Screenshot Maker

Style data tables as shareable images

Frequency Table Maker

Count occurrences with cumulative totals & CSV export

Sample Size Calculator

Plan survey and experiment sample sizes

Running Total Calculator

Running total calculator for pasted number lists

CSV Sorter

Sort CSV data by any column

Date Format Standardizer

Normalize mixed date formats in bulk

A/B Test Significance Calculator

Check if your A/B test results are significant

Linear Regression Tool

Fit a trendline and predict values

CSV Delimiter Changer

Switch CSV separators instantly

CSV Deduplicator

Column Concatenator

Histogram Maker

Visualize distributions from pasted numbers

Number List Summer

Sum, average and count pasted numbers

CSV Column Extractor

Pick and reorder columns, with the delimiter detected properly

Column Splitter

Split one column into several, without losing the remainder

CSV Splitter

Split huge CSVs into smaller files

Pivot Table Maker

Drag-and-drop pivot analysis on CSV data

JSON Table Viewer

Browse JSON arrays as sortable tables

Cross Tab Builder

Cross tab builder with chi-square and Cramér's V from CSV

VLOOKUP Tool

VLOOKUP tool to match and enrich CSV rows by key

CSV Row Numberer

Add a sequential number column to a CSV

Cohort Analysis Builder

Build a retention cohort table from signups

Treemap Maker

Create proportional treemap charts from labelled values

Bar Race Chart Maker

Create an animated bar chart race from CSV data

CSV Computed Column

Add a calculated column to a CSV

Time Series Resampler

Change the interval of time series data

Likert Chart Maker

Chart survey agreement responses

Waterfall Chart Maker

Show how a total is built up or broken down

CSV Encoding Fixer

Fix mojibake and broken CSV encoding

Data Quality Scorecard

Score a CSV for missing values and issues

Survey Response Analyzer

Summarize survey CSV exports by question

Heatmap Maker

Turn a CSV grid into a color heatmap

Nightingale Rose Chart Generator

Build polar-area (coxcomb) charts from data

Data Dictionary Generator

Auto-document dataset columns and types

Funnel Analysis Builder

Visualize conversion drop-off across funnel stages

CSV Number Cleaner

Normalize numeric columns quickly

Gauge Chart Maker

Build simple dial-style charts

CSV to Fixed Width

Convert CSV rows into fixed-width text columns

Sankey Diagram Maker

Build a Sankey flow diagram from source-target-value rows

Candlestick Chart Maker

Plot OHLC price data as a candlestick chart

CSV Header Aligner

Match CSV columns with headers

Spreadsheet Duplication Finder

Spot repeated rows and values

Table Row Deduplicator

Remove duplicate table rows

Column Type Inferencer

Guess column data types quickly

Record Matching Assistant

Compare records for likely matches

Address Normalizer

Format addresses consistently

Name Format Cleaner

Standardize person-name formatting

Phone Number Validator

Check phone formats quickly

Date Format Normalizer

Standardize date strings

Radar Chart Maker

Plot multi-variable data on a radar/spider chart

Venn Diagram Maker

Create and label Venn diagrams from sets

JSON Array to CSV Rows

Convert a JSON array of objects into quoted CSV rows

CSV Cell Formula Evaluator

Apply simple formulas like SUM or AVG to CSV column selections

CSV Null Value Standardizer

Normalize inconsistent null representations like NA, N/A, blank

CSV to Parquet Preview

Preview how your CSV would map to Parquet columns

Box Plot Generator

Build a five-number summary chart

Missing Value Report

Summarize blanks in CSV data

RFM Segmentation Tool

Score customers by RFM bands

Bubble Chart Maker

Plot three-value comparisons

Multi-Sheet CSV Exporter

Split CSV data into sheet exports

CSV to Markdown Frontmatter

Turn CSV rows into YAML frontmatter blocks

CSV to Chart-Ready JSON

Convert CSV rows into a JSON shape ready for charting libraries

Data Type Coercion Report

Spot mixed data types in a CSV column before import

Security & Privacy

97 tools

View all →

Consent Preference Center Builder

Quick, free Consent Preference Center Builder in your

Data Minimization Auditor

Quick, free Data Minimization Auditor in your browser

Dropship Return Policy Generator

Quick, free Dropship Return Policy Generator in your browser

File Hash Comparison Tool

Quick, free File Hash Comparison Tool in your browser

Hash Table Collision Simulator

Quick, free Hash Table Collision Simulator in your browser

HTTP Cache Header Explainer

Quick, free HTTP Cache Header Explainer in your browser

i18n Key Coverage Checker

Quick, free i18n Key Coverage Checker in your browser

Idempotency Key Generator

Generate UUID v4/v7 keys with copyable API request examples

VPN Kill Switch Explainer

Quick, free VPN Kill Switch Explainer in your browser

TOTP Code Generator

Generate and verify time-based one-time codes

DNS Leak Tester

DNS leak tester interface preview

Google Dorking Assistant

Build responsible advanced Google search operators

Metadata Scrubber

Strip identifying metadata from any file

Local Storage Inspector

Browse and clear site storage data

Secure Note Burner

Self-destructing notes encoded in the URL hash

CVE Lookup Tool

Preview a CVE record in a clear format

CSP Header Builder

Build a Content-Security-Policy visually

GDPR Consent Banner Builder

Draft a clear cookie-consent banner

Password Leak Pattern Checker

Spot risky password patterns before reuse

Caesar Cipher Tool

Encode and decode classic shift ciphers

PGP Key Generator

Prepare a browser-based PGP keypair

Password Strength Checker

Rate password strength with crack-time estimates

Credit Card Validator

Luhn-check card numbers without sending them

WebRTC Leak Test

WebRTC IP check for your browser and VPN

RSA Key Generator

Generate 2048-4096-bit RSA keys in PEM format

Vigenère Cipher Tool

Encrypt and decrypt text with the classic polyalphabetic cipher

Data Breach Response Checklist

Track your incident response through five phases

Security Headers Explainer

Paste response headers and see what each one does

Terms of Service Generator

Build a clear terms template from a guided form

IBAN Validator

Verify bank account number checksums

Email Header Analyzer

Trace email origins from raw headers

SSH Key Generator

See the ed25519 SSH key file format

ROT13 Encoder

Quick ROT13 obfuscation both ways

Browser Fingerprint Viewer

See what your browser reveals about you

Phishing URL Analyzer

Spot suspicious patterns in URLs offline

Safe Browsing Checker

Structural URL safety preview, no live lookup

AES-256 Encryption/Decryption

Configure an AES-256-GCM encryption workflow

Security Headers & Web Firewall (WAF) Auditor

Grade security headers and detect the WAF/CDN behind them

SSH Config Generator

Build a multi-host ~/.ssh/config file

Password Entropy Calculator

Bits of entropy and estimated crack time

SSL Checker

Check a domain's SSL/TLS certificate details

File Encryptor

Password-protect a file with AES-256

2FA QR Decoder

Decode an otpauth URI and preview live codes

Random Seed Phrase Generator

Generate and verify a real BIP39 seed phrase

Cookie Policy Generator

Draft a cookie policy for your website

SSL Certificate Decoder

Decode a PEM certificate's fields

IDN/Punycode Phishing Detector

Spot homoglyph and punycode phishing domains

Have I Been Pwned Checker

Argon2 Hash Tool

Steganography Tool

Configure a hidden-message workflow for images

Security.txt Generator

Email Blacklist Check

Build the DNSBL queries for your mail server IP

Privacy Policy Generator

Template-based privacy policy builder

IP Blacklist Check

Validate and classify an IP address

Text Encryptor

Public-key encryption, so no shared password has to travel

Bcrypt Hash Generator

Hash and verify bcrypt passwords

Enigma Machine Simulator

Historical cipher machine emulation

DNS Leak Explainer

Educational DNS privacy checkup

Spam Score Estimator

Heuristic spam-likelihood check for emails

JS Obfuscator

Rename variables and encode strings

Random Secret Key Generator

Generate secure hex and Base64 secret keys

JavaScript DeObfuscator

Decode escaped strings and format obfuscated JavaScript

Disclaimer Generator

Generate a website disclaimer

Secret Scanner

Spot API keys and tokens left in code

Certificate Chain Builder

Order a TLS certificate chain correctly

SSH Hardening Checklist

Work through an sshd hardening checklist

HTTPS Checker

Check a site's HTTPS setup and redirects

Cookie Flag Auditor

Check cookies for Secure, HttpOnly and SameSite

Data Retention Policy Generator

Draft a data retention schedule

Permissions Policy Builder

Build a Permissions-Policy HTTP header

Sensitive Data Regex Library

Browse regex patterns for common PII types

Board Resolution Builder

Generate a corporate board resolution

Warning Letter Builder

Draft a formal employee warning letter

Shipping Policy Generator

Generate a shop shipping policy page

Password Audit Scanner

Spot weak password patterns

2FA Setup Checker

Review two-factor setup basics

Phishing Email Detector

Flag suspicious message traits

GDPR Data Map Builder

Map data flows for privacy reviews

SSL Expiry Monitor

Track SSL certificate expiry dates you enter manually

Device Trust Verifier

Review trust signals before access

Security Policy Wizard

Draft security policy starters

Incident Response Runbook

Organize incident steps clearly

Privacy Consent Auditor

Check consent wording and coverage

Login Attempt Monitor

Track suspicious login activity

Session Expiry Planner

Set safer session durations

Browser Risk Inspector

Spot risky browser settings

HSTS Preload Checker

Check a domain's HSTS preload list status

PII Masking Tool

Redact personal data patterns from text

Secure Password Sharing Link

Password sharing demo with local AES-GCM encryption

Secure Password Sharing Phrase Generator

Generate a memorable phrase to verbally share a password securely

SRI Hash Generator

Generate Subresource Integrity hashes

File Type Spoofing Detector

Flag suspicious file type mismatches

Passkey Readiness Checker

Check whether your browser supports passkeys

Encrypted QR Code Generator

Generate a QR code that encrypts its message

QR Code Content Inspector

Preview what a QR code's decoded content would be before scanning

Encryption Algorithm Comparison Guide

Compare encryption algorithms by type and use case

Privacy Policy Diff Checker

Flag likely-material changes between two privacy policy versions

SEO & Web

115 tools

View all →

Affiliate Link Cloaking Checker

Quick, free Affiliate Link Cloaking Checker in your browser

Broken Anchor Link Finder

Quick, free Broken Anchor Link Finder in your browser

Canonical vs Hreflang Conflict Checker

Quick, free Canonical vs Hreflang Conflict Checker in

Content Freshness Calculator

Quick, free Content Freshness Calculator in your browser

Content Gap Word Count Analyzer

Quick, free Content Gap Word Count Analyzer in your browser

Dialogue Tag Analyzer

Quick, free Dialogue Tag Analyzer in your browser

Internal Rate of Return Calculator

Quick, free Internal Rate of Return Calculator in your

JSON Schema Generator

Quick, free JSON Schema Generator in your browser

Local Business Schema Builder

Quick, free Local Business Schema Builder in your browser

Meta Robots Tag Builder

Quick, free Meta Robots Tag Builder in your browser

MQTT Topic Structure Planner

Quick, free MQTT Topic Structure Planner in your browser

Plywood Cut Optimizer

Quick, free Plywood Cut Optimizer in your browser

Resume Keyword Matcher

Quick, free Resume Keyword Matcher in your browser

Sitemap XML Splitter

Quick, free Sitemap XML Splitter in your browser

Struct Tag Generator (Go)

Quick, free Struct Tag Generator (Go) in your browser

Event Schema Builder

Quick, free Event Schema Builder in your browser

Rich Result Preview

Quick, free Rich Result Preview in your browser

Schema Type Coverage Checker

Quick, free Schema Type Coverage Checker in your browser

URL Structure Analyzer

Quick, free URL Structure Analyzer in your browser

Canonical URL Formatter

Quick, free Canonical URL Formatter in your browser

HTTP Headers Parser

Parse raw response headers into a readable audit

JSON-LD Validator & Auto-Fixer

Validate structured data and preview suggested fixes

Browser Compatibility Notes

Quick CanIUse-style feature lookups

Page Speed Checklist

Interactive web performance audit list

Search Volume CSV Analyzer

Sort and segment exported keyword data

Breadcrumb Schema Generator

Generate BreadcrumbList JSON-LD in seconds

Alt Text Auditor

Find images missing alt text in HTML

HTTP Status Code Checker

Look up HTTP codes and their practical meaning

PWA Manifest Generator

PWA manifest generator: copy-ready manifest.json

Schema.org Entity Relationship Visualizer

Map structured-data entities and links

Screen Resolution Detector

Display resolution, viewport, pixel ratio, and color depth

Newsletter Preheader Previewer

Preview the inbox snippet before sending

Blog Outline Generator

Turn a topic into a practical article outline

Robots.txt Tester

Check whether a path is crawlable

UTM Link Builder

Create consistent campaign tracking links

URL Slug Optimizer

Create clean, readable page slugs

Favicon Checker

Review site favicon setup

Website Technologies Check

Preview a website technology report

Domain WHOIS

Preview a structured WHOIS report offline

Social Preview Checker

See how a page looks when shared on social media

Meta Description Checker

Preview and length-check meta descriptions

Schema Markup Generator

Create JSON-LD for articles, FAQs, products

UTM Bulk Generator

Generate many tagged URLs from a matrix

Sitemap URL Extractor

Pull all URLs out of an XML sitemap

Social Share Button Generator

Build dependency-free share links

Redirect Chain Explainer

Visualize and explain an HTTP redirect chain

Content Brief Template Builder

Generate a structured SEO content brief in seconds

Internet Speed Context Guide

What your Mbps actually supports, at a glance

Keyword Density Checker

Analyze keyword usage in page text

Title Tag Previewer

See how titles appear in search results

Canonical Tag Generator

Generate correct canonical link tags

Backlink Anchor Text Analyzer

Analyze anchor distribution from a CSV export

HTML Size Analyzer

Measure page weight from pasted source

Headline Analyzer

Score headline length, power words, and clarity

Pinterest Pin Size Checker

Validate image specs for Pinterest

Visual Site Crawler & Architecture Mapper

Turn a link list into a site structure diagram

JSON-LD to Microdata Converter

Convert schema.org JSON-LD into inline Microdata HTML

Keyword Density & Content Semantic Analyzer

Spot over- or under-used keywords fast

Htaccess to Nginx Converter

Translate common Apache rules to Nginx

Online SMTP Test

Preview an SMTP handshake and STARTTLS log

Internal Link Counter

Count internal vs external links on a page

Twitter Card Generator

Preview and generate X/Twitter card meta tags

Word Count Comparer

Compare two texts side by side

Image SEO Optimizer

Compress images and get SEO filename tips

Email Subject Line Tester

Preview and score your email subject line

Viewport Size Tester

Preview a page at common device sizes

PWA Compatibility Checker

PWA compatibility checker for manifest and HTTPS

URL Unshortener

Reveal where a shortened link leads

Heading Structure Analyzer

FAQ Schema Builder

Keyword Intent Classifier

SERP Position Tracker Sheet

Sitemap Visualizer

Accessibility Contrast Checker

Check WCAG AA and AAA text contrast ratios

AMP Validator

Check AMP markup structure and CSS budget locally

SEO Analyzer

Check on-page SEO fundamentals

Domain Age Calculator

Calculate domain age from a registration date

SERP Snippet Simulator

Full Google result preview with pixels

Hreflang Tag Generator

Build multilingual hreflang tag sets

Keyword Grouper

Cluster keyword lists by shared terms

Text to HTML Ratio Checker

Compute content-to-code ratio

CTR Curve Estimator

Estimate clicks by ranking position

Web Banner Size Reference

All standard ad banner dimensions

Keyword Cloud & Density Heatmap

Visualize keyword frequency and density

HTTP-auth Generator

Generate Basic Auth .htpasswd credentials

YouTube Keyword Research Tool

Plan video keywords and search intent

Pagination Tag Generator

Generate canonical and pagination markup

Internal Linking Map

Map internal links and find orphan pages

Keyword Gap Analyzer

Find topics competitors cover and you do not

Website Screenshot Taker

Website screenshot workflow demo with viewport settings

YouTube Rank Tracker

Track a video's search ranking over time

Topic Cluster Planner

Plan a pillar page and subtopic cluster

Glossary Page Generator

Turn a term list into a formatted glossary page

Orphan Page Finder

Identify pages with no internal links

NAP Consistency Checker

Compare business name and contact details

Crawl Budget Estimator

Estimate a rough crawl budget for a site

Google Business Post Formatter

Format an update post for a Google Business Profile

SEO Gap Finder

Spot missing content opportunities

URL Parameter Scrubber

Remove tracking parameters safely

Featured Snippet Optimizer

Format content to target search featured snippets

SEO Audit Report Builder

Compile an on-page SEO audit report

Srcset Generator

Generate responsive image srcset markup

Schema Markup Tester Offline

Validate JSON-LD schema markup offline

Page Title Length Optimizer

Suggest trims for over-length title tags

Page Weight Budget Tracker

Track cumulative asset sizes against a performance budget

Meta Charset Validator

Check pasted HTML head for a properly declared charset

Broken Link Pattern Finder

Spot URL patterns that tend to break

Core Web Vitals Glossary

Plain-language definitions for LCP, INP, and CLS

HTTPS Mixed Content Scanner

Find insecure page asset links

Ad Creative Rotation Planner

Plan an even ad creative rotation across a campaign

Brand Awareness Survey Scorer

Score unaided and aided brand recall from survey results

Open Graph Image Size Validator

Check an image against the recommended Open Graph size

Content ROI Estimator

Estimate ROI for a piece of content from cost and conversions

Hreflang Return Tag Validator

Check that two pages' hreflang tags reference each other

Finance Calculators

184 tools

View all →

Business Break-Even Timeline

Quick, free Business Break-Even Timeline in your browser

Business Valuation Multiple Calculator

Quick, free Business Valuation Multiple Calculator in

Cash vs Card Cost Comparison

Quick, free Cash vs Card Cost Comparison in your browser

Commute Cost Calculator

Quick, free Commute Cost Calculator in your browser

Consignment Payout Calculator

Quick, free Consignment Payout Calculator in your browser

Currency Cost Averaging Planner

Quick, free Currency Cost Averaging Planner in your browser

Currency Hedging Cost Estimator

Quick, free Currency Hedging Cost Estimator in your browser

Data Binning Tool

Quick, free Data Binning Tool in your browser

Data Sparkline Generator

Quick, free Data Sparkline Generator in your browser

Dropshipping Margin Calculator

Quick, free Dropshipping Margin Calculator in your browser

Fiscal Year Calculator

Calculate fiscal year dates, quarters, and weekdays

Gas Fee Estimator

Quick, free Gas Fee Estimator in your browser

Gig Economy Tax Setaside Calculator

Quick, free Gig Economy Tax Setaside Calculator in your

Hay Bale Yield Estimator

Quick, free Hay Bale Yield Estimator in your browser

HOA Dues Calculator

Quick, free HOA Dues Calculator in your browser

Inventory Buffer Calculator

Quick, free Inventory Buffer Calculator in your browser

Conversion Rate Calculator

Quick, free Conversion Rate Calculator in your browser

Loan Comparison Table Builder

Quick, free Loan Comparison Table Builder in your browser

Marketplace Fee Calculator

Quick, free Marketplace Fee Calculator in your browser

Net Present Value Calculator

Quick, free Net Present Value Calculator in your browser

Price Per Square Foot Calculator

Quick, free Price Per Square Foot Calculator in your browser

Product Bundle Price Calculator

Quick, free Product Bundle Price Calculator in your browser

Screen Time Budget Planner

Quick, free Screen Time Budget Planner in your browser

Solar Panel Output Converter

Quick, free Solar Panel Output Converter in your browser

Alteration Cost Estimator

Quick, free Alteration Cost Estimator in your browser

Windfall Allocation Planner

Quick, free Windfall Allocation Planner in your browser

Salary Negotiation Script Builder

Quick, free Salary Negotiation Script Builder in your

Token Allocation Pie Planner

Quick, free Token Allocation Pie Planner in your browser

Latte Factor Calculator

Long-term cost of small daily habits

Invoice Late Fee Calculator

Interest owed on overdue invoices

Stock Average Down Calculator

Calculate your new average share cost

Percentage Gain Calculator

Calculate percentage gain, loss, and change

Zero Based Budget Builder

Give every dollar a clear job

Debt Snowball Planner

Order debts from smallest balance first

Wedding Budget Calculator

Plan wedding costs by category

Rental Yield Calculator

Estimate rental property returns

College Savings Calculator

Project a future education fund

Sales Tax Calculator

Calculate tax, total, or pre-tax price

Simple Interest Calculator

Calculate basic interest over time

Extra Payment Calculator

See years saved by paying extra principal

Tip Calculator

Split bills with tip by party size

Property Tax Calculator

Annual tax from assessed value and rate

Credit Card Interest Calculator

See the real cost of carrying a card balance

Mortgage Refinance Calculator

Compare your mortgage with a refinance offer

Business Loan Calculator

Estimate business loan payments

Rent vs Buy Calculator

Rent vs buy calculator with PMI, HOA, and a cost chart

Inflation Calculator

Project future cost, purchasing power & inflation loss

Compound Interest Calculator

Project savings and investment growth

Mortgage Calculator

Monthly payment, PMI & extra payment payoff

Retirement Calculator

Project nest egg growth to retirement age.

Loan Calculator

Estimate loan payments and interest

Car Loan Calculator

Estimate auto loan payments with trade-in

FIRE Calculator

Find your FIRE number and FIRE age in seconds

Profit Calculator

Calculate profit, margin, and markup from cost and price

Discount Calculator

Sale price after percentage discounts

VAT Calculator

Add or extract VAT at any rate

CAGR Calculator

Compound annual growth rate between values

Credit Card Payoff Calculator

Months to debt-free at a given payment

Hourly to Salary Converter

Annualize hourly wages with hours/week

ROI Calculator

Return on investment with holding period

Position Size Calculator

Calculate shares from account risk and stop loss

Investment Return Calculator

XIRR from dated cash flows, with bulk paste

Roth vs Traditional Calculator

Compare after-tax retirement account outcomes

Debt Avalanche Planner

Payoff order and timeline for minimizing interest

Paycheck Budget Planner

50/30/20-style budget breakdown per paycheck

Break Even Calculator

Find units and revenue needed to cover costs

Net Worth Calculator

Assets minus liabilities worksheet

Electricity Cost Calculator

Estimate what a device costs to run

Cap Rate Calculator

Capitalization rate for property deals

Emergency Fund Calculator

Months of expenses you should save

Stock Profit Calculator

Gains after fees for a buy-sell pair

Crypto Profit Calculator

Coin gains with buy/sell fee handling

Amortization Schedule Generator

Full month-by-month loan breakdown table

Salary to Hourly Converter

True hourly rate from annual salary

Closing Cost Estimator

Estimate fees due at home closing

Home Affordability Calculator

House budget from income and debts

Lease vs Buy Calculator

Compare car leasing against purchasing

Risk Reward Ratio Calculator

Check a trade's risk-reward ratio before entering

Currency Exchange Markup Calculator

Reveal the hidden cost of a currency exchange rate

50/30/20 Budget Calculator

Split your income into needs, wants, and savings

Savings Goal Calculator

Plan the monthly amount for a goal

DCA Calculator

Project regular investing, or find your average cost

Percentage Distribution Maker

Rule of 72 Calculator

Freelance Rate Calculator

Utility Bill Splitter

Subscription Cost Tracker

What your subscriptions really cost a year

Debt to Income Calculator

DTI ratio lenders use for approvals

Margin Calculator

Selling price from cost and margin

Down Payment Calculator

Savings plan to reach a down payment

DRIP Calculator

Dividend reinvestment growth projections

Dividend Yield Calculator

Yield and annual income from holdings

401k Contribution Calculator

Paycheck impact of contribution changes

Overtime Pay Calculator

Pay including time-and-a-half hours

Rent Affordability Calculator

Estimate maximum rent from income rules of thumb

Bill Split Calculator

Uneven bill splitting with items per person

4% Rule Calculator

Safe withdrawal amounts from a portfolio

Take Home Pay Estimator

Net pay after configurable deductions

Airbnb Income Estimator

Occupancy-based short-term rental revenue

CPM Calculator

Calculate cost per thousand impressions

PayPal Fee Calculator

Estimate PayPal fees and your net payout

Ad Budget Pacing Calculator

Find the daily ad spend needed to hit budget

Inheritance Share Calculator

Work out proportional estate shares

Remittance Cost Comparison

Compare the true cost of sending money abroad

Inventory Turnover Calculator

Measure how fast stock sells through

Overhead Allocation Calculator

Spread overhead across products or jobs

Cash-on-Cash Return Calculator

Return on the cash you actually invested

Term vs Whole Life Comparison

Compare term and whole life policy costs

Fine-Tune Cost Estimator

Estimate the cost of a fine-tuning run

Withholding Tax Calculator

Calculate tax withheld, net pay, and gross-up

Savings Challenge Generator

Build a savings challenge you can finish

Contribution Margin Calculator

See what each sale contributes to fixed costs

Perpetuity Calculator

Perpetuity value example and growth-rate sensitivity

Freelance Quote Calculator

Price a project from your real hourly cost

Solar Payback Calculator

Estimate payback period on a solar install

Total Cost of Ownership Calculator

Compare vehicle ownership costs beyond the purchase price

Farm Profit Tracker

Track margin per enterprise across a season

Grocery Budget Planner

Plan a weekly food budget by category

Chit Fund Calculator

Calculate chit fund contribution and dividend

Safety Stock Calculator

Calculate buffer inventory using max-min demand

Annuity Payout Calculator

Estimate periodic annuity payments from principal and rate

Rental Property Depreciation Calculator

Calculate annual rental property depreciation

Labour Hours Estimator

Estimate labour hours and cost for a job

Tractor Cost per Acre Calculator

Calculate tractor operating cost per acre

Leave Balance Calculator

See remaining leave at a glance

Net Metering Savings Calculator

Estimate solar bill savings

Unit Price Comparison

Compare unlimited items with auto unit conversion

Invoice Audit Checker

Review invoices for missing details

Receipt Expense Splitter

Split receipts by person or item

Cashflow Snapshot Tool

Summarize money in and out

Profit Margin Simulator

See how pricing changes profit

Budget Variance Explainer

Explain plan versus actual gaps

Tax Category Organizer

Sort expenses into tax buckets

NPS Calculator

Measure customer loyalty quickly

Stamp Duty Calculator

Estimate property transfer tax

Sinking Fund Calculator

Plan savings for future expenses

Job Costing Calculator

Estimate project costs and margin

Rule of 78 Calculator

Estimate loan interest allocation

Retainer vs Hourly Comparison

Compare billing models side by side

Import Duty Estimator

Estimate customs duty and taxes on an imported item

Mortgage Points Calculator

Compare buying mortgage points against a higher rate

Simple Forecast Tool

Project future values from a simple growth trend

Zakat Calculator

Calculate Zakat owed on savings, gold, and investments

Working Capital Calculator

Calculate working capital and the current ratio

Shop Hourly Rate Calculator

Calculate a retail/service shop's break-even hourly rate

Insurance Needs Calculator

Estimate how much life insurance coverage you need

Water Bill Estimator

Estimate a monthly water bill from usage and rates

EV vs Petrol Cost Comparison

Compare fuel cost between an EV and a petrol car

Currency Split Calculator

Split bills across currencies

Hotel Budget Estimator

Estimate lodging costs quickly

Recipe Ingredient Scaler

Resize recipes to any serving count

Cook Time Adjuster

Adjust recipe timing safely

Home Project Estimator

Home project cost estimator: DIY vs hiring a pro

Renovation Budget Planner

Plan remodel spending clearly

Paint Coverage Calculator

Estimate paint needs fast

Quota Attainment Tracker

Review quota progress

Reorder Point Calculator

Estimate reorder thresholds

BRRRR Calculator

Model Buy-Rehab-Rent-Refinance-Repeat real estate returns

Economic Order Quantity Calculator

Find optimal inventory order quantity

Employer Cost Calculator

Total employer cost including taxes and benefits

EPF & ETF Calculator

Calculate employee EPF/ETF contribution amounts

Event Budget Tracker

Track planned vs actual event expenses

Gold Value Calculator

Value gold items by weight and purity

Health Deductible Calculator

Estimate out-of-pocket costs for a medical bill

Travel Budget Planner

Plan total and per-person trip costs with a contingency buffer

Payback Period Calculator

Compute simple and discounted payback period for an investment

Student Loan Refinance Comparator

Compare your current student loan against a refinance offer

Crypto Cost Basis Tracker

Track cost basis and realized gains from manually entered trades

Invoice Factoring Cost Calculator

Estimate the cost of factoring invoices for early cash

Affiliate Commission Calculator

Estimate affiliate payouts

PAYE Tax Estimator

Estimate payroll withholding

Pawn Loan Calculator

Estimate pawn loan costs

Employee Turnover Cost Calculator

Estimate hiring replacement costs

Podcast Ad Read Rate Calculator

Estimate podcast ad read pricing from downloads and CPM

Lifetime Value Calculator

Estimate customer lifetime value

Tax Bracket Visualizer

Visualize progressive tax bands

Layaway Payment Planner

Split an item price into equal layaway payments

Lump Sum vs Annuity Comparison

Compare a lump sum against an annuity's present value

Cost Per Wear Calculator

See what a clothing item really costs per use

Subscription Bundle Savings Calculator

See how much a bundle actually saves over separate subscriptions

Prepayment Penalty Calculator

Estimate the penalty cost of paying off a loan early

Tip Pooling Calculator

Split a shift's tip pool by hours worked

Business Loan Payback Comparison

Compare monthly payment and total interest across loan offers

Emergency Expense Simulator

See how an unexpected expense affects your savings runway

Health & Fitness

160 tools

View all →

Altitude Sickness Risk Estimator

Quick, free Altitude Sickness Risk Estimator in your browser

Basketball Shot Chart Tracker

Quick, free Basketball Shot Chart Tracker in your browser

Cool Down Routine Builder

Quick, free Cool Down Routine Builder in your browser

Deep Fry Temperature Guide

Quick, free Deep Fry Temperature Guide in your browser

Desk Ergonomics Checker

Quick, free Desk Ergonomics Checker in your browser

Filament Length to Weight Converter

Quick, free Filament Length to Weight Converter in your

Flood Risk Self-Assessment

Quick, free Flood Risk Self-Assessment in your browser

Grip Endurance Test Timer

Quick, free Grip Endurance Test Timer in your browser

Injury Return-to-Play Timeline

Quick, free Injury Return-to-Play Timeline in your browser

Jet Lag Adjustment Planner

Quick, free Jet Lag Adjustment Planner in your browser

Kombucha Brewing Timer

Quick, free Kombucha Brewing Timer in your browser

Rate Card Builder

Quick, free Rate Card Builder in your browser

Paper Weight (GSM) Converter

Quick, free Paper Weight (GSM) Converter in your browser

Elevator Pitch Timer

Quick, free Elevator Pitch Timer in your browser

Postpartum Recovery Timeline

Quick, free Postpartum Recovery Timeline in your browser

Stretch Routine Timer

Quick, free Stretch Routine Timer in your browser

Swim Split Time Predictor

Quick, free Swim Split Time Predictor in your browser

Packing Weight Tracker

Quick, free Packing Weight Tracker in your browser

VOR Radial Plotter

Quick, free VOR Radial Plotter in your browser

Ammunition Weight Converter

Quick, free Ammunition Weight Converter in your browser

Shoe Lace Length Calculator

Quick, free Shoe Lace Length Calculator in your browser

Ideal Weight Calculator

Healthy weight ranges by several formulas

Fasting Window Tracker

16:8 and custom fasting countdowns

GFR Reference Calculator

Kidney function estimate, educational

Target Weight Date Calculator

When you'll reach a goal at current pace

Posture Reminder Timer

Posture reminder timer: gentle break & stretch alerts

Blood Pressure Category Checker

Classify a blood pressure reading

Caffeine Half-Life Calculator

Estimate caffeine remaining after a drink

Max Heart Rate Calculator

Estimate your maximum heart rate

Body Fat Percentage Calculator

Estimate body fat from measurements

Pregnancy Due Date Calculator

Estimate a pregnancy due date

Ovulation Calculator

Fertile window from cycle length

Meditation Timer

Meditation timer with bell sounds and custom lengths

BMI Calculator

BMI calculator with WHO weight categories

Calorie Deficit Calculator

Find your daily calories for steady weight loss

BMR Calculator

Basal metabolic rate by three common formulas

TDEE Calculator

Estimate daily calories from activity level

Protein Intake Calculator

Daily protein needs by weight and activity

Macro Calculator

Protein, carb and fat targets by goal

Pace Calculator

Running pace, time and distance solver

One Rep Max Calculator

Max lift estimates from rep performance

Weight Plate Calculator

Choose barbell plates per side for a target weight

Waist to Hip Ratio Calculator

WHO-standard body fat distribution risk screening

Body Surface Area Calculator

BSA from height and weight, three clinical formulas

Lean Body Mass Calculator

Estimate fat-free mass with clear comparisons

Running Calorie Calculator

Calories burned by distance and weight

Steps to Miles Converter

Steps to miles and kilometers using your height

Smoking Cost Calculator

Money saved by quitting over time

Breathing Exercise Timer

Box and 4-7-8 guided breathing animations

Pet Real Age Calculator

See your pet's human-equivalent age

Pregnancy Week Calculator

Current week and trimester tracker

Eye Test Chart

Guided visual acuity screening online

Water Intake Calculator

Hydration targets by weight and climate

Child Height Predictor

Estimate adult height from both parents’ heights

Baby Growth Percentile Lookup

Estimate weight percentile by age

Cholesterol Ratio Calculator

Calculate your total:HDL cholesterol ratio

Calories in Recipe Calculator

Estimate total and per-serving calories

A1C to Average Glucose Converter

Convert A1C percentage to estimated average glucose

Blood Alcohol Estimator

Widmark formula BAC estimate — education only

Dosage by Weight Calculator

Weight-based dose calculator for mg/kg and mg/kg/day

Heart Rate Zone Calculator

Training zones from age and resting HR

Blood Sugar Unit Converter

Convert glucose readings between units

VO2 Max Estimator

Unit Insulin Context Guide

HIIT Interval Timer

Weight Loss Percentage Calculator

Weight loss percentage calculator with goal % and milestones

Marathon Time Predictor

Race predictions from recent results

Sleep Cycle Calculator

Best bedtimes from 90-minute cycles

Period Cycle Tracker

Predict next cycles from history, stored locally

Steps to Calories Converter

Estimate burn from daily step counts

IV Drip Rate Calculator

Nursing drip rates from volume and time

Workout Rest Timer

Between-set countdown with audio cues

Contraction Timer

Contraction timer with 5-1-1 pattern alerts

Creatinine Clearance Calculator

Estimate creatinine clearance from serum values

Diabetes Risk Score

Estimate type 2 diabetes risk factors

Sleep Apnea Risk Check

Check common obstructive sleep apnoea risk factors

Health Record Timeline

Lay out medical events on one timeline

Tinnitus Frequency Matcher

Find the pitch that matches your tinnitus

HRV Log

Track heart rate variability over time

Vertical Jump Power Calculator

Estimate peak power from a vertical jump

Triathlon Transition Planner

Plan T1 and T2 layout and sequence

Hiking Time Calculator

Estimate walking time using Naismith's rule

Developmental Milestone Tracker

Track milestones against typical age ranges

Glasgow Coma Scale Calculator

Score eye, verbal, and motor response

Blood Pressure Log

Record blood pressure readings over time

Allergy Card Generator

Make an allergy card for travel and dining

Pupillary Distance Measurer

Estimate pupillary distance with a reference object

Grade Adjusted Pace Calculator

Compare hilly and flat running efforts

Training Volume Calculator

Track weekly load and week-to-week increases

Bike Frame Size Calculator

Find a frame size from your body measurements

Pet Vaccination Schedule

Track pet vaccinations and boosters due

Dog Walk Tracker

Log walks and see weekly exercise totals

Heat Index & Wind Chill Calculator

Calculate perceived temperature from heat or wind

Puppy Weight Predictor

Estimate a puppy's adult weight

Oxygen Cylinder Duration Calculator

Estimate remaining oxygen cylinder duration

Body Frame Size Calculator

Estimate body frame size from wrist and height

Pill Dose Splitter

Calculate a tablet dose fraction with unit conversion

Contrast Sensitivity Test

A quick low-contrast pattern screening aid

Treadmill Pace Converter

Convert treadmill speed to running pace

RPE to Percentage Converter

Convert RPE to percentage of your 1RM

Bike Gear Inches Calculator

Calculate gear inches from chainring and cog

Golf Handicap Calculator

Calculate a round's handicap differential

Pregnancy Weight Gain Tracker

Track gain against a recommended range

Apgar Score Calculator

Score newborn wellbeing rapidly

Peak Flow Tracker

Monitor lung function quickly

Emergency Medical ID Maker

Create a concise medical card

Glasses Prescription Explainer

Translate prescription values clearly

Altitude Performance Adjuster

Estimate how altitude changes output

Deload Week Planner

Build a lower-stress training week

Shoe Mileage Tracker

Track wear before it becomes a problem

Cattle Weight Estimator

Heart girth & length formula, plus shrink %

Pet Weight Tracker

Track weight changes over time

Hair Developer Calculator

Mix developer and color at the right ratio

Soap Lye Calculator

Estimate NaOH or KOH for multi-oil soap recipes

Cardiovascular Risk Estimator

Estimate 10-year cardiovascular risk from key factors

Asthma Control Check

Score how well-controlled your asthma symptoms are

Doctor Visit Question Builder

Build a printable list of questions before a doctor visit

Audiogram Plotter

Audiogram plotter: click, drag, or type hearing thresholds

Training Pace Calculator

Calculate training paces from a recent race time

Warm-Up Set Calculator

Generate warm-up set weights leading to your work set

Swim Set Builder

Build a structured swim workout from your goals

Pet Medication Dose Helper

Calculate a medication dose from your pet's weight

Skincare Routine Builder

Build a morning and evening skincare routine order

Nutrition Label Reader

Summarize nutrition facts quickly

Calorie Balance Estimator

Estimate intake versus burn

Allergen Warning Checker

Flag common food allergens

Fitness Workout Builder

Assemble training routines

Step Goal Forecast

Predict progress toward step goals

Hydration Reminder Tool

Plan water reminder timing

Sleep Routine Planner

Structure a better bedtime plan

Heart Rate Zone Guide

Review training zone ranges

Run Pace Predictor

Estimate running pace targets

Bike Ride Effort Calculator

Estimate cycling effort quickly

Stretching Routine Maker

Build quick flexibility sessions

Aquarium Water Change Calculator

Calculate water change volume and schedule

Astigmatism Test Chart

Screen for astigmatism with an on-screen sunburst chart

Baby Feeding Log

Track baby feeding times and amounts

BBQ Meat Quantity Calculator

Estimate meat quantity needed per guest

Body Measurement Tracker

Log body measurements over time

Burn Percentage Calculator

Estimate burn severity using the rule of nines

Canning Time Guide

Reference safe canning times by food and altitude

Dental Chart Tool

Interactive dental chart for tracking tooth conditions

Insulin Sensitivity Factor Calculator

Estimate ISF and correction bolus dosing

Prescription Abbreviation Decoder

Decode pharmacy label shorthand into plain English

Sprint Speed Calculator

Sprint speed calculator: mph, km/h & m/s from your time

Trail Difficulty Rater

Rate hiking trail difficulty using the NPS Shenandoah formula

Workout Split Planner

Build a weekly training split from proven archetypes

Yoga Sequence Builder

Build a timed yoga flow: search, reorder, export

Grip Strength Norm Lookup

Compare a grip strength reading against age/sex norms

Screen Time Break Reminder

20-20-20 rule reminder timer for eye strain prevention

Training Periodization Planner

Plan macro/meso/micro training cycles across a season

Fluid Resuscitation Calculator

Estimate initial IV fluid planning numbers

Waist to Height Ratio Calculator

Check waist-to-height ratio quickly

Medical Abbreviation Lookup

Look up common medical abbreviations

Meal Frequency Planner

Plan daily meal timing blocks

Recovery Day Planner

Rest day calculator using intensity, sleep and soreness

Standing Desk Interval Timer

Alternate sit and stand intervals throughout the day

Cold Plunge Timer

Time a cold plunge session with staged interval prompts

Injury Prevention Warmup Builder

Build a sequenced warmup routine for your activity

Water Aerobics Interval Timer

Run a poolside-readable work/rest interval timer

Math & Science

197 tools

View all →

ANOVA Calculator

Quick, free ANOVA Calculator in your browser

Boat Displacement Calculator

Quick, free Boat Displacement Calculator in your browser

Button State Generator

Quick, free Button State Generator in your browser

Aperture F-Stop Converter

Compare f-stops: stop difference, light ratio, T-stop

Complex Number Calculator

Quick, free Complex Number Calculator in your browser

Element Symbol Flashcards

Quick, free Element Symbol Flashcards in your browser

Firearm Ballistic Coefficient Converter

Quick, free Firearm Ballistic Coefficient Converter in

Gas Law Calculator

Quick, free Gas Law Calculator in your browser

Heat Exchanger Sizing Estimator

Quick, free Heat Exchanger Sizing Estimator in your browser

Lens Focal Length Calculator

Quick, free Lens Focal Length Calculator in your browser

Miter Angle Calculator

Quick, free Miter Angle Calculator in your browser

Negotiation Range Calculator

Quick, free Negotiation Range Calculator in your browser

Normal Distribution Visualizer

Quick, free Normal Distribution Visualizer in your browser

Poisson Distribution Calculator

Quick, free Poisson Distribution Calculator in your browser

Polynomial Root Finder

Quick, free Polynomial Root Finder in your browser

Radioactive Decay Calculator

Quick, free Radioactive Decay Calculator in your browser

Router Bit Speed Reference

Quick, free Router Bit Speed Reference in your browser

Star Trail Exposure Calculator

Quick, free Star Trail Exposure Calculator in your browser

Tent Capacity Guide

Quick, free Tent Capacity Guide in your browser

True Airspeed Calculator

Quick, free True Airspeed Calculator in your browser

Work Week Number Calculator

Quick, free Work Week Number Calculator in your browser

Fabric Yardage Calculator

Quick, free Fabric Yardage Calculator in your browser

Projectile Motion Calculator

Range and flight time from launch values

Square Root Simplifier

Simplify radicals into exact form

Binary Operations Calculator

Perform bitwise operations with binary values

Significant Figures Counter

Count and round significant figures

Parallelogram Calculator

Compute area and perimeter quickly

Exponent Calculator

Calculate powers and roots

Percentage Change Calculator

Measure increases and decreases

Quadratic Equation Solver

Set up ax2 + bx + c roots

Fibonacci Generator

Create a Fibonacci sequence

Factorial Calculator

Find n! with a clear formula

Standard Deviation Calculator

Measure variation in a dataset

Binary Calculator

Binary arithmetic and bitwise operations

Rank Calculator

Rank a list with 4 tie methods, CSV export

Surface Area Calculator

Surface areas for common 3D solids

Combination Calculator

Calculate nCr combinations with the formula shown

Distance Between Points

2D and 3D coordinate distance

Percentage Calculator

All percent problems in plain language

Average Calculator

Mean, median, and mode from a number list

Area Calculator

Calculate area for five common 2D shapes

Scientific Calculator

Full-function calculator with history

Matrix Calculator

Multiply matrices, and find determinants and inverses

Probability Calculator

Calculate single, combined, and repeated-event probabilities

Ratio Calculator

Solve and scale proportional ratios

Slope Calculator

Slope and line equation from two points

Volume Calculator

Volumes of 3D solids, with unit conversion

Circle Calculator

Area, circumference, radius conversions

Fraction Calculator

Add, subtract, multiply and divide fractions

Permutation Calculator

nPr arrangements with explanations

Variance Calculator

Calculate variance and standard deviation from data

Number Sequence Finder

Detect the pattern, see the math, predict the next terms

Correlation Calculator

Measure Pearson correlation between two series

Weighted Average Calculator

Calculate averages with custom weights

Triangle Solver

Solve triangle sides, angles, area, and perimeter

Molar Mass Calculator

Find molecular weight from a chemical formula

Hex Calculator

Add and subtract hexadecimal numbers

Long Division Calculator

Step-by-step long division working

Fraction Simplifier

Reduce fractions to lowest terms

Prime Factorization Tool

Break numbers into prime factors

Chemical Equation Balancer

Balance chemical reactions with whole-number coefficients

Derivative Calculator

Symbolic derivatives with steps

Pythagorean Theorem Calculator

Solve any side of a right triangle

Midpoint Calculator

Midpoint coordinates with formula

Rounding Tool

Round to any decimal place or multiple

Limit Evaluator

Numerically estimate a limit, including at infinity

Z-Score Calculator

Z-score, percentile, and interpretation from a value

Logarithm Calculator

Any base, with the working and the rounding shown

Scientific Notation Converter

Convert values between notation styles

System of Equations Solver

Ohm's Law Calculator

Illuminance Converter

Resistor Color Code Calculator

Resistor color code calculator, 3-6 bands

Fraction to Decimal Converter

Exact decimals, with repeating blocks marked properly

Integral Calculator

Definite integrals computed numerically

Function Grapher

Plot y=f(x) equations interactively

Prime Number Checker

Test primality and list nearby primes

Outlier Detector

IQR, z-score and MAD together, because they disagree

GCF and LCM Calculator

Greatest common factor, least multiple

Periodic Table Explorer

Interactive element data and trends

Confidence Interval Calculator

Calculate a confidence interval for a sample mean

Trapezium Calculator

Area, perimeter, and height of a trapezium

Three-Phase Power Calculator

Convert between kW, kVA, current, and voltage

Earthing Resistance Calculator

Estimate earth electrode resistance

Heat Sink Calculator

Size a heat sink from thermal resistance

RF Link Budget Calculator

Work out an RF link budget and margin

Monte Carlo Simulator

Model any formula and see its outcome distribution

Monty Hall Simulator

Monty Hall simulator: see why switching wins

Algebra Simplifier

Simplify an algebraic expression step by step

Unit Circle Explorer

See sine, cosine, and tangent on the unit circle

Random Walk Simulator

Watch a random walk unfold and spread

Buffer pH Calculator

Buffer pH: solve pH or the ratio for target pH

Solubility Rules Reference

Look up whether a salt dissolves in water

Specific Heat Calculator

Calculate heat energy for a temperature change

Time Dilation Calculator

Calculate relativistic time dilation

Sound Speed Calculator

Speed of sound in air, water, and solids

Crop Water Requirement Calculator

Estimate irrigation water a crop needs

Lowest Common Denominator Calculator

Find the LCD to add or compare fractions

Beam Load Calculator

Check bending and deflection on a simple beam

Motor Starting Method Selector

Choose a starting method for an induction motor

Battery State of Charge Chart

Read state of charge from resting voltage

Nyquist Sampling Calculator

Find the sample rate a signal needs

Servo Pulse Calculator

Convert servo angle to pulse width

Power Supply Ripple Calculator

Size a smoothing capacitor for a rectifier

Margin of Error Calculator

Find the margin of error for a survey result

Knapsack Solver

Choose the best-value items within a limit

Number Properties Lookup

See the properties of any whole number

Taylor Series Expander

Expand a function as a Taylor series

Empirical Formula Calculator

Find an empirical formula from percentages

Bond Energy Calculator

Estimate reaction enthalpy from bond energies

Reynolds Number Calculator

Calculate Re and identify the flow regime

Psychrometric Calculator

Work out humidity, dew point, and wet bulb

Telescope Magnification Calculator

Match eyepieces to your telescope

Compass Declination Calculator

Convert between magnetic and true bearings

Decimal to Fraction Converter

Convert a decimal to a simplified fraction

Boolean Truth Table Generator

Generate truth tables from logical expressions

IEEE 754 Float Inspector

Break down a float's sign, exponent and mantissa bits

Motor Full Load Current Calculator

Calculate motor full load current from power

Battery Bank Configurator

Plan series/parallel battery bank configuration

ADC Resolution Calculator

Calculate ADC step size from resolution and range

Capacitor Discharge Calculator

Calculate capacitor voltage during discharge

Effect Size Calculator

Calculate Cohen's d effect size between two groups

Linear Programming Solver

Two-variable linear programming input preview

Collatz Sequence Explorer

Generate the Collatz sequence for a number

Function Domain & Range Finder

Find the domain and range of a function

Ellipse Calculator

Calculate ellipse area, perimeter, and eccentricity

Oxidation Number Calculator

Determine oxidation numbers in a compound

Hess's Law Calculator

Calculate reaction enthalpy using Hess's Law

Bernoulli Calculator

Solve pressure, velocity, or height with Bernoulli

Rocket Equation Calculator

Calculate delta-v using the Tsiolkovsky rocket equation

Fraction Visualizer

See a fraction and its parts clearly

Bayes Theorem Calculator

Posterior probability with step-by-step math

Travelling Salesman Visualizer

Map routes and compare shortest paths

Continued Fraction Calculator

Continued fraction calculator: decimal to a/b

Differential Equation Solver

Numeric ODE solver with chart and CSV export

Percent Composition Calculator

Break compounds down by mass percent

Isotope Abundance Calculator

Estimate isotopic composition and average mass

Pipe Friction Loss Calculator

Calculate Darcy–Weisbach head loss and pressure drop

Earthquake Energy Calculator

Convert magnitude to energy, TNT, and more

Astro Exposure Calculator

Astro exposure calculator: the 500 Rule for stars

Exposure Triangle Calculator

Balance ISO, shutter speed, and aperture

Trend & Seasonality Decomposer

Break a time series into components

Heat Transfer Calculator

Calculate conductive heat transfer through a material

Probability Tree Builder

Build a probability tree diagram across multiple events

Buck Boost Duty Cycle Calculator

Calculate the duty cycle for a buck-boost converter

SWR & Return Loss Calculator

Convert between SWR, return loss, and reflection coefficient

Adjacency Matrix Tool

Convert between a graph's edge list and adjacency matrix

Arbitrary Precision Calculator

Big number calculator — exact BigInt arithmetic

Fourier Series Visualizer

Visualize a waveform built from summed sine harmonics

Titration Curve Simulator

Plot a pH titration curve for an acid-base reaction

SMILES Structure Viewer

Render a 2D molecule structure from a SMILES string

Doppler Shift Calculator

Calculate the observed frequency shift from relative motion

Battery CCA Guide

Match cold cranking amps to vehicle requirements

Birthday Paradox Calculator

Calculate shared-birthday probability for a group

Breaker Selection Guide

Recommend circuit breaker size from load

Chaos Attractor Visualizer

Render chaotic attractors like Lorenz or Rössler

Density & Buoyancy Calculator

Calculate object density and buoyant force

Escape Velocity Calculator

Calculate escape velocity from mass and radius

EV Range Estimator

Estimate EV driving range from battery and conditions

Fabric Cutting Layout Optimizer

Optimize fabric layout to minimize waste

Fertilizer NPK Calculator

Calculate fertilizer blend ratios by NPK

Field of View Calculator

Calculate camera/lens field of view

Free Space Path Loss Calculator

Calculate RF free-space path loss in dB

Gutter Sizing Calculator

Size roof gutters based on catchment area

Inequality Solver

Solve linear inequalities with a visual number line

Livestock Feed Ration Calculator

Balance feed rations using the Pearson Square method

Markov Chain Calculator

Compute transition matrices and steady states

Origami Paper Size Calculator

Find the right starting square for your origami model

Paddy Yield Estimator

Project rice harvest yield using the IRRI formula

Polygon Area From Coordinates

Compute area, perimeter, centroid and winding direction

Power Factor Correction Calculator

Size capacitor banks to correct lagging power factor

Reaction Rate Calculator

Reaction rate calculator with a concentration-time chart

Room Lighting Calculator

Estimate room lumens and light fixture count

Screed Calculator

Calculate floor screed volume, cement bags, and sand

Thermal Expansion Calculator

Calculate linear and volumetric expansion from temperature change

Towing Capacity Checker

Check tongue weight and payload against safe towing limits

Interest Rate Solver

Solve for the unknown interest rate given other loan variables

Binomial Distribution Calculator

Calculate binomial probabilities, PMF, and CDF

Slope-Intercept to Standard Form Converter

Convert linear equations between slope-intercept and standard form

Enzyme Kinetics Calculator

Calculate reaction velocity using the Michaelis-Menten equation

Trigonometric Identity Verifier

Check trig identity transformations

Meteor Shower Calendar

Track meteor shower peak nights

Free Fall Time Calculator

Calculate falling time and speed

Constellation Finder by Season

Find constellations by season

Projectile Range Optimizer

Optimize launch angle and range

Vector Calculator

Compute dot product and magnitude for 2D/3D vectors

Dimensional Analysis Checker

Verify a formula's units balance on both sides

Chi-Square Test Calculator

Test observed counts against expected values

Jewelry Metal Weight Estimator

Estimate metal weight for a jewelry design before casting

Star Magnitude Brightness Comparator

Compare how much brighter one star is than another by magnitude

Terminal Velocity Estimator

Estimate an object's terminal velocity from mass, area, and drag

Satellite Pass Predictor (Manual TLE)

Predict a satellite's next visible pass from TLE data

Electric Field Strength Calculator

Calculate electric field strength from a point charge

Center of Mass Calculator

Calculate the center of mass for a system of point masses

Buffer Recipe Calculator

Calculate acid-to-base ratios for a target pH buffer

Simple Circuit Voltage Divider Calculator

Calculate output voltage from a two-resistor voltage divider

Apparent vs Absolute Magnitude Converter

Convert between a star's apparent and absolute magnitude

Date & Time

50 tools

View all →

Habitable Zone Estimator

Quick, free Habitable Zone Estimator in your browser

Moon Landing Anniversary Countdown

Quick, free Moon Landing Anniversary Countdown in your

Nozzle Temperature Reference

Quick, free Nozzle Temperature Reference in your browser

Pizza Dough Calculator

Quick, free Pizza Dough Calculator in your browser

Solstice and Equinox Finder

Quick, free Solstice and Equinox Finder in your browser

Day of Week Finder

Find the weekday for any date

Business Days Calculator

Count working days between dates

Hours Calculator

Calculate hours between two times

Age Calculator

Find your exact age and next birthday

Countdown Timer

Simple countdown with alarm sound

Alarm Clock

Set a browser-tab alarm for any time of day

Pomodoro Timer

A focus timer with auto-start, notifications, and daily stats

Stopwatch

A precise stopwatch with lap times

World Clock

Live clocks for cities you choose

Timesheet Calculator

Weekly work hours with breaks and overtime

Calendar Generator

Generate printable monthly calendars for any year

Birthday Countdown

Days until your next birthday

Moon Phase Calculator

Moon phase, age, and illumination for any date

Leap Year Checker

Check any year and see the next five leap years

Date Difference Calculator

Find the exact span between two dates

Days Until Calculator

Live countdown to any future date

Time Duration Calculator

Add and subtract hours and minutes

Retirement Date Calculator

Date you hit retirement age or tenure

Chinese Zodiac Calculator

Animal year from birth date

Decimal Time Converter

Minutes to decimal hours for payroll

Military Time Converter

12-hour and 24-hour clock conversion

Meeting Planner

Find overlap hours across team time zones

Anniversary Calculator

Milestone dates from a start date

Date to Roman Numerals

Convert dates into Roman numeral strings

Week Number Lookup

ISO week number for any date

Countdown Timer Maker

Build a live countdown to any date

Zodiac Sign Finder

Date Adder

Add or subtract time, with the edge cases shown

Time Zone Converter

Compare times across multiple cities

Sunrise Sunset Lookup

Daylight times from coordinates offline

Current Time

See the exact time in any time zone

Fermentation Timer

Time a ferment against temperature

Dough Proofing Estimator

Estimate proof time at your dough temperature

Time-Lapse Interval Calculator

Plan frame intervals for motion capture

Egg Timer Calculator

Precise, altitude-aware boil times plus a live countdown

Daylight Hours Calculator

Local time, daily change, and a year-round view

Livestock Due Date Calculator

Calculate an expected birth date for farm animals

Notice Period Calculator

Find your last working day from notice dates

Golden Hour Calculator

Calculate golden hour and blue hour times for a location

Time Zone Meeting Planner

Coordinate meeting times across zones

Flight Layover Timer

Estimate layover windows

Recurring Event Date Generator

Generate all occurrence dates for a recurring event rule

Public Holiday Overlap Finder

Find overlapping public holidays between two selected countries

Countdown to Multiple Time Zones

Show one event's countdown across several time zones

Recurring Bill Due Date Tracker

Track upcoming due dates for recurring bills

Design & Color

93 tools

View all →

Color Accessibility Palette Builder

Quick, free Color Accessibility Palette Builder in your

Color Blend Mode Previewer

Quick, free Color Blend Mode Previewer in your browser

Color Blindness Palette Fixer

Quick, free Color Blindness Palette Fixer in your browser

Color Palette Namer

Name, audit, and export your color palette

CSS Variable Extractor

Extract, audit, and export CSS custom properties

Design Spacing Scale Calculator

Quick, free Design Spacing Scale Calculator in your browser

pH Scale Explainer

Quick, free pH Scale Explainer in your browser

Random Palette Name Generator

Quick, free Random Palette Name Generator in your browser

Spice Blend Ratio Calculator

Quick, free Spice Blend Ratio Calculator in your browser

Zine Layout Planner

Quick, free Zine Layout Planner in your browser

Website Screenshot Beautifier

Wrap website screenshots in a browser window frame

Screenshot Device Mockup

Put screenshots on a laptop, tablet and phone at once

Gradient Extractor

Turn the gradient in any image into CSS code

UI Spacing Checker

Find CSS spacing that breaks your 4px or 8px grid

Screenshot to HTML Color Map

Map every color in a UI screenshot to hex codes

Emoji Kitchen Mixer

Emoji Kitchen Mixer: blend two emoji into one mashup

T-Shirt Design Previewer

Visualize prints on shirt mockups

Typography Scale Generator

Modular type scales with CSS output

Tailwind Color Reference

Tailwind shades with instant copy

Color Shades Generator

Tints and shades scale from one color

Stripe Pattern Maker

Design stripe backgrounds and copy the CSS

UI Shadow Scale Generator

Create consistent elevation shadow scales

Font Identifier Helper

Narrow down fonts by visual traits

Random Palette Inspiration

Reroll palettes while keeping favorites

Mesh Gradient Generator

Create a four-color CSS mesh gradient

Screenshot Beautifier

Frame screenshots for sharing

Duotone Generator

Create two-color image looks

Color Palette Generator

Generate harmonious 5-color palettes

Contrast Ratio Checker

WCAG AA/AAA pass-fail for color pairs

Color Name Finder

Nearest named color for any HEX

Neumorphism Generator

Soft-UI CSS styles with live preview

Pattern Generator

Seamless geometric patterns as SVG

Logo Size Guide

Plan logo files for web, social, and print

Golden Ratio Calculator

Build dimensions in harmonious golden proportion

Dark Mode Palette Converter

Convert a light CSS palette to a dark-mode variant

Text on Image Tester

Preview text over an image with a readability warning

Dot Grid Generator

Adjustable CSS dot pattern with instant preview

Icon Editor

Icon editor to resize, recolor, and frame icons

Moodboard Maker

Arrange images and colors on a canvas

Line Height Calculator

Ideal leading from font size

Accessible Palette Suggester

Fix palettes to meet contrast rules

Color Temperature Adjuster

Warm or cool an entire palette

Rule of Thirds Overlay

Grid overlays on uploaded images

Noise Texture Generator

Subtle grain textures for backgrounds

Glassmorphism Generator

Frosted-glass CSS effect builder

Aspect Ratio Finder

Find ratios and proportional image sizes

Pixel Art Editor

Pixel art editor with undo and custom colors

Color Wheel Tool

Explore complementary and triadic schemes

Gradient Palette Maker

Turn two colors into a gradient palette

Pantone-Style Card Maker

Pantone-style swatch card maker for any color

Letter Spacing Previewer

Preview CSS letter-spacing in px, em, or rem live

Mug Mockup Generator

Preview a logo on a mug mockup

Cursor Preview Tool

Preview CSS cursors with custom hotspots and fallbacks

HEX to RGB Converter

Convert HEX, RGB, HSL, and CMYK colors

Business Card Mockup

Design both sides and download print-ready vector

CSS Box Shadow Generator

Create layered shadow styles

Redacted Screenshot Maker

Google Fonts Pairing Previewer

Material Color Reference

Font Pairing Tool

Poster Mockup Tool

Isometric Grid Generator

Design Token Exporter

Color Mixer

Blend two HEX colors and generate CSS palettes

CSS Border Radius Generator

All eight radii, with a warning when the browser shrinks them

Color Picker From Screen

EyeDropper API picker for any pixel

Brand Color Extractor

Pull palettes from uploaded logos

Skin Tone Palette Reference

Diverse skin tone swatches for artists

Responsive Breakpoint Tester

Preview designs at standard widths

Paper Texture Maker

Procedural paper backgrounds

Wireframe Placeholder Kit

Grey-box layout blocks for mockups

SVG Sprite Generator

Combine SVG icons into one symbol sprite

Gallery Wall Planner

Lay out framed pictures on a wall

LUT Generator

LUT generator with .cube and graded PNG export

SVG Animator

Animate SVG with CSS — no code or JavaScript

Skin Undertone Finder

Work out warm, cool, or neutral undertone

Font Subsetter

Strip unused glyphs to shrink font file size

Seasonal Color Analysis

Find your color season and best palette

Fractal Generator

Create beautiful recursive patterns

Retro Palette Converter

Map colors to vintage palettes

SVG Text to Path

Outline text for vector artwork

Animated CSS Gradient Generator

Build a smoothly animated CSS gradient background

SVG Color Editor

Recolor every fill/stroke color in an SVG file

Calendar Wallpaper Maker

Design a calendar image for desktop wallpaper

Stream Overlay Maker

Design overlays for live-streaming setups

Tilemap Editor

Design tile-based game maps visually

Grid System Generator

CSS Grid generator with 1-24 columns and a live preview

Print Bleed & Margin Calculator

Compute bleed, margin, and trim size for a print layout

SVG Path Simplifier

Reduce noisy SVG path data

Whitespace Rhythm Checker

Check whether spacing values share a consistent base unit

Drop Shadow Layer Generator

Build a layered, realistic CSS box-shadow

Color Palette Accessibility Report

Check every color pair in a palette against WCAG contrast rules

Conference Badge Designer

Preview a standard-size conference attendee badge layout

Social Media

78 tools

View all →

Post Frequency Planner

Quick, free Post Frequency Planner in your browser

Product Description Length Checker

Quick, free Product Description Length Checker in your

Social Proof Copy Generator

Quick, free Social Proof Copy Generator in your browser

Channel Points Reward Planner

Quick, free Channel Points Reward Planner in your browser

Wedding Hashtag Generator

Create personalized wedding hashtag ideas

Link in Bio Page Builder

Build a bio link page and export it as one HTML file

Profile Ring Adder

Add gradient story rings to avatars

YouTube Timestamp Link Maker

Generate start-at links for videos

Instagram Line Break Tool

Preserve caption spacing when posting

Emoji Combo Library

Browse and copy curated emoji combinations

Twitch Panel Maker

Design channel information panels

Fake Instagram Post Maker

Mock up Instagram posts for planning

YouTube Channel Name Generator

Brainstorm names for your channel

YouTube Channel Statistics Checker

Estimate channel reach and performance

YouTube Playlist Length Calculator

Estimate total watch time for a playlist

Social Media Image Resizer

Plan social image crops

Hashtag Generator

Create focused social hashtags

Discord Timestamp Generator

Discord timestamps: 7 formats, live relative preview

Reach Calculator

Reach calculator for Instagram, TikTok, X & Facebook

Engagement Rate Calculator

Calculate social engagement by audience or reach

Social Post Previewer

Preview a post card and check platform character limits

Symbol Library

Copyable special characters and symbols

Thread Composer

Write and auto-number tweet threads

LinkedIn Headline Generator

Profile headline formulas by role

Influencer Price Estimator

Ballpark sponsorship rates from metrics

Reddit Markdown Previewer

Preview posts before submitting

TikTok Caption Counter

Character limits with hashtag handling

Best Time to Post Guide

Interactive posting-time recommendations

Banned Hashtag Checker

Screen hashtag lists against known-banned sets

Tweet Character Counter

Count characters the way X does

Video Title AB Tester

Compare two video titles side by side

Caption Line Counter

Check caption line length and reading pace

Discord Text Formatter

Bold, italic, spoiler, and code markdown for Discord

Aesthetic Text Divider Library

A browsable library of copy-paste text dividers

Fake Tweet Generator

Create clearly labeled post mockups

LinkedIn Text Formatter

LinkedIn bold and italic text to copy and paste

Social Media Calendar Template

Plan a month of posts across platforms

YouTube Money Estimator

Story Cover Maker

Hashtag Counter

Count hashtags against platform limits

Caption Ideas Generator

Caption structures to finish, plus a count that handles emoji

Instagram Font Generator

Fancy Unicode fonts for captions

YouTube Description Template

Structured descriptions with links section

Instagram Bio Generator

Styled bios with fonts and emojis

YouTube Chapter Generator

Format timestamps into chapter lists

YouTube Tag Extractor

Reveal tags from pasted video source

Giveaway Winner Picker

Random picks from pasted comment lists

Follower Growth Calculator

Project growth from current trends

Carousel Slide Splitter

Slice long images into swipe carousels

Poll Question Generator

Engaging poll ideas by niche

YouTube Channel Banner Downloader

Grab a channel banner at full resolution

YouTube Video Category Checker

See which category a video is filed under

Thumbnail Preview Tester

See a thumbnail at real display sizes

YouTube Title Generator

Draft video titles that fit and describe

YouTube Top Channels Tracker

Track a set of channels and compare growth

YouTube Channel Search

Build a precise channel search query

YouTube Tag Generator

Generate relevant tags from a video title

YouTube Channel Keywords Extractor

Extract SEO keywords from a YouTube channel

YouTube Subscribe Link Generator

Create a YouTube link with subscribe confirmation

YouTube Comment Picker

Randomly pick winners from video comments

YouTube Channel Video List Extractor

Export a channel's full video list

Influencer ROI Calculator

Calculate return on influencer campaign spend

Media Kit Builder

Build a one-page creator/press media kit

YouTube Channel Audit

Review a YouTube channel URL against a content checklist

YouTube Video Data Viewer

View a YouTube video's ID, embed code, and metadata fields

YouTube Playlist to Text Exporter

YouTube playlist to text, Markdown, CSV, or JSON

Vertical Safe Zone Guide

Preview UI-safe zones for Reels, Shorts, and TikTok

Hashtag Cluster Builder

Group hashtags by theme

Media Plan Builder

Plan ad spend and channels across a campaign

Comment Reply Template Library

Curated reply templates for common comment types

YouTube Video Ideas Generator

Brainstorm video concepts quickly

YouTube Video Description Copier

Format reusable video descriptions

YouTube Channel ID Finder

Find channel IDs and handles from YouTube URLs

Aesthetic Bio Symbol Picker

Pick symbols for social bios

Content Pillar Planner

Map repeatable content pillars

Livestream Donation Goal Tracker

Track livestream donation progress

Stream Schedule Graphic Maker

Build a weekly stream schedule graphic to share with viewers

Social Media Safe Zone Checker

Check TikTok, Facebook, Instagram & Shorts safe zones

Productivity

231 tools

View all →

Beekeeping Hive Inspection Log

Quick, free Beekeeping Hive Inspection Log in your browser

Chat Log Formatter

Quick, free Chat Log Formatter in your browser

Tool Library Checkout Tracker

Quick, free Tool Library Checkout Tracker in your browser

Data Broker Opt-Out Checklist

Quick, free Data Broker Opt-Out Checklist in your browser

Digital Footprint Checklist

Quick, free Digital Footprint Checklist in your browser

Chore Point System Tracker

Quick, free Chore Point System Tracker in your browser

Market Vendor Schedule Planner

Quick, free Market Vendor Schedule Planner in your browser

Sim Checklist Builder

Quick, free Sim Checklist Builder in your browser

Heirloom Provenance Log

Quick, free Heirloom Provenance Log in your browser

Home Staging Checklist

Quick, free Home Staging Checklist in your browser

Kids Reading Log Tracker

Quick, free Kids Reading Log Tracker in your browser

Knitting Needle Size Converter

Quick, free Knitting Needle Size Converter in your browser

Meal Prep Portion Calculator

Quick, free Meal Prep Portion Calculator in your browser

Meal Timing Planner

Quick, free Meal Timing Planner in your browser

Menstrual Symptom Pattern Log

Quick, free Menstrual Symptom Pattern Log in your browser

Mobile First Index Checklist

Quick, free Mobile First Index Checklist in your browser

Chore Rotation Fairness Checker

Quick, free Chore Rotation Fairness Checker in your browser

Open House Checklist

Quick, free Open House Checklist in your browser

PDF Contact Sheet Maker

Quick, free PDF Contact Sheet Maker in your browser

Property Inspection Defect Log

Quick, free Property Inspection Defect Log in your browser

Redirect Map Builder

Quick, free Redirect Map Builder in your browser

Second Brain Note Linker

Quick, free Second Brain Note Linker in your browser

Bend Allowance Calculator

Quick, free Bend Allowance Calculator in your browser

Silage Fermentation Timeline

Quick, free Silage Fermentation Timeline in your browser

Single-Tasking Session Logger

Quick, free Single-Tasking Session Logger in your browser

Site Search Query Log Analyzer

Quick, free Site Search Query Log Analyzer in your browser

Small Space Layout Optimizer

Quick, free Small Space Layout Optimizer in your browser

Someday/Maybe List Manager

Quick, free Someday/Maybe List Manager in your browser

Sports Concussion Symptom Checklist

Quick, free Sports Concussion Symptom Checklist in your

Task Batching Planner

Quick, free Task Batching Planner in your browser

Estimation Calibrator

Quick, free Estimation Calibrator in your browser

Time Since Calculator

Quick, free Time Since Calculator in your browser

Volleyball Rotation Tracker

Quick, free Volleyball Rotation Tracker in your browser

Warehouse Pick Path Optimizer

Quick, free Warehouse Pick Path Optimizer in your browser

Weekly Review Template

Quick, free Weekly Review Template in your browser

Child Milestone Checklist by Age

Quick, free Child Milestone Checklist by Age in your browser

Small Claims Filing Checklist

Quick, free Small Claims Filing Checklist in your browser

Clipboard Tools

Quick text cleanup and clipboard helpers

Shift Rota Planner

Draft a staff shift rota in a clear grid

Meeting Agenda Builder

Build timed meeting agendas with roles and notes

Expense Splitter

Split a shared cost and see who owes what

Brainstorm Canvas

Capture ideas on a private sticky-note board

Grocery List Maker

Aisle-organized shopping checklist that saves itself

Slack Status Generator

Draft clear status messages

Letterhead Generator

Design branded letterheads

Time Blocking Template

Plan a focused day with work blocks and breaks

Gantt Chart Maker

Plan a project timeline at a glance

List Comparator

Find shared and unique list items

Retro Board

Reflect, improve, and plan next steps

Kanban Board

Kanban task board with priorities and three stages

Habit Tracker

Track daily habits with a streak grid

Weekly Planner

Seven-day planner with device save, print, and CSV export

Eisenhower Matrix

Sort tasks by urgent/important quadrants

Goal Tracker

Track goals with progress bars, deadlines, notes, and CSV export

Decision Matrix

Score options against weighted criteria

To-Do List

Fast to-do list with drag reorder and JSON backup

Pros and Cons Board

Weighted pros/cons with verdict

Out of Office Generator

Polished OOO messages by scenario

Job Application Tracker

Track companies, roles, and application status

Meeting Cost Calculator

Track the live cost of time spent in meetings

Org Chart Maker

Type a reporting list, get an instant org chart

Meal Planner

Weekly menu grid with a shopping list

Email Template Library

Fill-in professional email templates

Countdown Dashboard

Multiple event countdowns on one page

OKR Planner

Objectives and key results worksheet

Project Timeline Generator

Milestone timelines as images

Event Planning Checklist

Party and event task templates

Minutes Template Generator

Structured meeting notes export

Daily Schedule Builder

Plan your day as a sorted timeline

Packing List Generator

A categorized checklist sized to your trip

Standup Notes Tool

Draft a structured daily standup update

Signature Sign-Off Picker

Pick the right email closing line

Flowchart Builder

Design workflow diagrams visually

Username Availability Formatter

Distraction Log

Chore Chart Generator

Focus Mode Page

Fullscreen single-task timer with generated ambience

Moving Checklist

Interactive timeline for moving house

Mind Map Maker

Simple node-based mind mapping

SMART Goal Builder

Guided goal-writing wizard

Reading List Tracker

Books to-read with page progress, ratings, and backups

Relation Chart Generator

Map how people or entities connect

Markdown to Slides

Turn Markdown notes into a slide deck

Model Comparison Table

Compare options side by side in a table

Trademark Class Finder

Find likely Nice trademark classes for goods and services

Harvest Log

Record what your garden actually produced

RSVP Tracker

Track invitation replies and headcounts

Airport Code Lookup

Look up IATA and ICAO airport codes

Crop Rotation Planner

Plan a multi-year rotation across your beds

Cleaning Schedule Generator

Build a rota of cleaning tasks by frequency

Site Safety Checklist Generator

Build a site safety inspection checklist

Oil Change Interval Tracker

Track service intervals by distance and time

Dairy Yield Tracker

Track milk yield per animal over lactation

Wedding Timeline Planner

Build a wedding day schedule that holds

Baggage Allowance Comparison

Compare baggage rules across airlines

Travel Document Expiry Checker

Check documents against validity rules

Appointment Scheduler

Pick a date, duration, and time slot

Home Energy Audit Checklist

Checklist for a DIY home energy audit

Home Maintenance Scheduler

Generate a seasonal home maintenance schedule

Service Schedule Tracker

Track upcoming equipment service dates

Drive Time Estimator

Estimate driving time from distance and speed

Egg Production Log

Track daily egg count and laying rate

Practice Log

Track practice sessions and total time

Potluck Signup Sheet

Organize a potluck with a shared dish signup list

Power of Attorney Builder

Draft a practical POA outline

Will Outline Builder

Map a clear will structure

Companion Planting Chart

Check plant compatibility quickly

Drip System Planner

Plan irrigation layout and flow

Laundry Symbol Decoder

Decode care labels with confidence

Excavation Volume Calculator

Estimate earthwork quickly

Stud Spacing Calculator

Plan wall framing quickly

Steel Section Weight Calculator

Estimate section mass from size data

Snag List Tool

Track defects and fixes in one list

Conduit Fill Calculator

Check conduit capacity at a glance

Lithium Pack Calculator

Estimate battery pack voltage and capacity

Fuel Log

Track trips, costs, and fuel usage

Tire Pressure Adjuster

Set the right PSI for load and conditions

VIN Decoder

Validate and decode a 17-character VIN locally

Spray Volume Calculator

Estimate spray output from nozzles and coverage

Character Sheet Builder

Free RPG character sheet with auto-save & print

Pet Sitter Instructions Builder

Create clear care instructions for sitters

Yarn Quantity Calculator

How much yarn you need, from your gauge swatch

Carry-On Size Checker

Check your bag against 8+ airline size limits

Map Scale Converter

Translate map scales between ratios and units

Meeting Note Summarizer

Condense meeting notes into clear takeaways

Decision Log Builder

Track choices and why they were made

Project Retrospective Maker

Structure a project review quickly

Team Standup Checker

Keep standups focused and concise

Priority Matrix Planner

Sort tasks by urgency and impact

Deadline Risk Forecast

Spot schedule risk before it slips

Task Dependency Mapper

Map task order and blockers visually

Handoff Brief Generator

Create a clean handoff summary

Weekly Status Dashboard

Summarize weekly progress at a glance

Workload Balance Calculator

Compare workload across people or projects

Subscription Renewal Tracker

Track upcoming renewals and fees

Pricing Package Builder

Assemble service packages neatly

Payment Reminder Scheduler

Plan reminder timing automatically

Drip Sequence Planner

Plan follow-up message timing

Domain Expiry Monitor

Track expiration dates clearly

Hydroponic Nutrient Calculator

Calculate nutrient solution mix for a hydroponic system

Memorial Program Maker

Build a printable funeral/memorial service program

Pet Travel Checklist

Generate a checklist for traveling with a pet

Picture Hanging Calculator

Find the nail height and hook position for a frame

Pottery Shrinkage Calculator

Calculate a clay piece's final fired size after shrinkage

Rental Agreement Builder

Generate a basic residential rental agreement

Company Registration Checklist

Generate a step-by-step new business registration checklist

Garden Bed Layout Planner

Plan crop spacing and rows inside a raised garden bed

Crochet Stitch Counter

Track rows and stitches while crocheting or knitting

Ingredient Substitution Finder

Find a substitute for a missing cooking ingredient

Tea Steeping Timer

Time tea steeping with a preset per tea type

Frosting Quantity Calculator

Calculate how much frosting a cake needs

Layover Time Checker

Check if a flight layover gives enough connection time

Route Elevation Profile

Sketch an elevation profile from waypoint elevations

Post Schedule Optimizer

Plan better posting times

Study Session Timer

Plan focused study blocks

Travel Itinerary Builder

Organize trip plans by day

Packing List Customizer

Build a tailored packing list

Hotel Check-in Reminder

Plan hotel arrival reminders

Road Trip Stop Planner

Map stops along a route

Passport Expiry Checker

Review passport validity dates

Meal Prep Planner

Plan meals for the week

Grocery Aisle Sorter

Group shopping items by aisle

Pantry Inventory Tracker

Track what is already at home

Posture Break Reminder

Plan posture reset intervals

Room Measurement Mapper

Map room dimensions and notes

Furniture Layout Planner

Plan room layouts visually

Shopping List Prioritizer

Sort items by urgency

Warranty Expiry Tracker

Track coverage end dates

Appliance Maintenance Reminder

Plan upkeep reminders

Garden Planting Calendar

Schedule planting windows

Watering Schedule Planner

Organize plant watering

Compost Balance Checker

Review compost mix balance

Seed Germination Guide

Review germination basics

Sunlight Spot Mapper

Map bright areas at home

Weather Proofing Checklist

Prepare for harsh weather

Pets Medication Reminder

Track medicine timing

Pet Feeding Scheduler

Plan feeding times

Pet Growth Journal

Log pet growth milestones

Vaccine Record Organizer

Organize vaccination records

Vet Visit Prep

Prepare appointment notes

Academic Citation Cleaner

Normalize citation text

Bibliography Deduplicator

Remove repeated references

Research Question Refiner

Sharpen research prompts

Abstract Condensor

Shorten paper abstracts

Paper Outline Assistant

Structure paper sections

Peer Review Note Organizer

Group review comments

Seminar Talk Planner

Plan seminar flow

Presentation Timing Checker

Review talk pacing

Slide Structure Builder

Organize slide outlines

Speaker Note Generator

Draft speaking notes

Meeting Questions Preparer

Prepare discussion prompts

Customer Feedback Clusterer

Group feedback themes

Support Ticket Triager

Sort support requests

Bug Report Rewriter

Clarify issue reports

Feature Request Theme Group

Group product ideas

NPS Response Analyzer

Review feedback scores

Churn Reason Sorter

Sort exit reasons clearly

Lead Qualification Checker

Review lead fit quickly

Sales Call Summary

Summarize sales conversations

CRM Notes Cleaner

Polish CRM notes fast

Account Plan Builder

Structure account plans

Warehouse Stock Checker

Check stock levels quickly

Shipment Delay Alert

Flag late shipments

Inventory Age Analyzer

Review stock aging

Batch Expiry Monitor

Watch expiry dates

Barcode Label Maker

Prepare label text

Asset Tag Register

Record asset tags

Procurement Request Form

Structure purchase requests

Vendor Comparison Table

Compare suppliers clearly

Contract Renewal Alert

Track renewal windows

Legal Clause Highlighter

Spot key clauses

NDA Checklist Helper

NDA checklist: what to check before you sign

Policy Gap Finder

Find policy gaps fast

Terms Summary Maker

Summarize terms quickly

Beehive Log

Track beehive inspections and colony health

Bill of Quantities Builder

Build a construction bill of quantities

Guest List Manager

Track RSVPs and guest details for an event

Photo Shoot Shot List Builder

Plan and track shots for a photo shoot

Plant Watering Schedule

Track houseplant watering intervals and due dates

Rainfall Log

Track daily precipitation and cumulative rainfall

Song Structure Planner

Plan, reorder, and time a song arrangement from BPM and bars

Deep Work Session Planner

Plan and log distraction-free deep work blocks with goals

Time Audit Tracker

Log time spent per activity throughout the day to review later

Weekly Wins Journal

Quick daily log of small wins to review at week's end

Inbox Zero Sorter

Sort pasted email subjects into act-now, respond, archive

Two-Minute Rule Task Sorter

Sort a task list into do-now vs. schedule-later using the two-minute rule

Class Reunion Contact Finder Sheet

Track your reunion committee's classmate search progress

Shoe Rotation Planner

Track mileage across a running shoe rotation

Church Bulletin Builder

Build a service order-of-worship bulletin outline

Community Theater Rehearsal Scheduler

Build a full rehearsal schedule for a production run

Morning Routine Checklist Builder

Build a time-boxed morning routine checklist

Education

105 tools

View all →

Coin Counting Practice

Quick, free Coin Counting Practice in your browser

Dataset Sampling Stratifier

Quick, free Dataset Sampling Stratifier in your browser

Elapsed Time Word Problems

Quick, free Elapsed Time Word Problems in your browser

Curriculum Pacing Guide

Curriculum pacing calculator with review & catch-up reserves

Number Base Practice Quiz

Quick, free Number Base Practice Quiz in your browser

Personality Color Quiz

Quick, free Personality Color Quiz in your browser

Reading List Exporter

Quick, free Reading List Exporter in your browser

Sailing Points of Sail Guide

Quick, free Sailing Points of Sail Guide in your browser

Text Readability Grade Leveler

Quick, free Text Readability Grade Leveler in your browser

Times Table Grid Quiz

Quick, free Times Table Grid Quiz in your browser

Unit Circle Angle Practice

Quick, free Unit Circle Angle Practice in your browser

Bibliography Sorter

Alphabetize and format reference lists

Mental Math Trainer

Speed arithmetic with difficulty levels

Quiz Show Buzzer

Team quiz buzzer with scoring and sound

Vocabulary Quiz Builder

Turn term pairs into a quick practice quiz

Cornell Notes Template

Structure notes for review

Study Schedule Maker

Build a study plan around your deadline and hours

US States Quiz

Identify US states on an interactive map

Typing Speed Test

Measure your typing speed and accuracy

Grade Calculator

Calculate your weighted course grade

GPA Calculator

Semester and cumulative GPA from your grades

Citation Generator

APA, MLA, and Chicago citations from source details

Flashcard Maker

Create and study flashcard decks locally

Country Flag Quiz

Identify flags and build a winning streak

Spaced Repetition Trainer

Flashcards that schedule themselves

Handwriting Worksheet Maker

Printable tracing worksheet from any word

Multiplication Table Trainer

Timed times-table practice for kids

Anatomy Label Quiz

Label body diagram parts

Reading Level Analyzer

Grade-level score for any passage

Weighted Grade Calculator

Course grades from weighted categories

World Capitals Quiz

Flag and capital city trivia

Random Student Picker

Fairly pick a random name from your class roster

Spelling Test Maker

Grade-by-grade spelling practice quizzes, spoken aloud

Exam Countdown Planner

Track days remaining until each exam

Periodic Table Quiz

Periodic table quiz — timed, endless, or fixed

Fraction Practice Quiz

Essay Word Count Planner

Learning Streak Tracker

Classroom Noise Meter

Classroom noise meter with sound alert

Sight Words Practice

Early reader word flash practice

Math Worksheet Generator

Printable arithmetic practice sheets

Grammar Quiz Generator

Common grammar pitfalls practice

Kids Story Starter

Illustrated writing prompts for children

Browser Linux Environment

Practise Linux commands in a browser shell

Lesson Plan Builder

Build a timed lesson plan with objectives and checks

MCQ Shuffler

Shuffle MCQ exams into balanced, ready-to-print versions

Clock Reading Practice

Clock reading practice for kids, free

Literature Matrix Builder

Organise sources into a synthesis matrix

Arabic Script Trainer

Practise Arabic letter forms and joining

Engine Oil Viscosity Guide

Understand what an oil grade means

Guitar Chord Diagram Maker

Draw chord diagrams for songs and lessons

INCI Ingredient Decoder

Decode cosmetic ingredient names

Recipe Allergen Checker

Flag common allergens in a recipe

Country Info Lookup

Look up key facts about a country

LaTeX Equation Editor

Write LaTeX equations online, preview live, export SVG/PNG

Semaphore Flag Translator

Translate text to semaphore flag positions

Exam Seating Plan Generator

Exam seating plan generator with class & absentee rules

Number Line Generator

Make a printable number line for teaching

Sentence Diagrammer

Break a sentence into its grammatical parts

Hiragana Katakana Trainer

Drill Japanese kana until they are automatic

Frequency Word List Builder

Build a frequency-ordered vocabulary list

3D Shape Net Generator

Print a fold-up net for a solid

Nashville Number Converter

Convert chords between keys with numbers

Vocal Range Finder

Find your vocal range and voice type

Power Plug Type Guide

Check plug type and voltage before you travel

Calligraphy Guide Sheet

Generate a printable calligraphy practice sheet

Algorithm Helper

Visualize common algorithm steps

Class Timetable Generator

Build a weekly class timetable from your subjects

Mnemonic Generator

Turn a list into a memorable sentence

Reading Fluency Timer

Time a read-aloud and get WPM and WCPM

French Verb Conjugator

Conjugate French verbs across tenses

CEFR Level Self-Check

Estimate your CEFR language level

Debate Topic Generator

Get a random debate topic with both sides

Map Quiz

Test your knowledge of world countries and capitals

Question Paper Builder

Draft a balanced exam paper

Kanji Lookup by Radical

Explore kanji by radical

BibTeX Formatter

Clean up bibliography entries

OMR Answer Sheet Generator

Generate a printable multiple-choice answer sheet

Place Value Chart Tool

Place value chart, expanded form, and word form

Hangul Trainer

Practice reading and typing the Korean Hangul alphabet

Light Pollution Guide

Look up the Bortle scale and what it means for stargazing

Lesson Plan Creator

Draft class plans faster

Quiz Question Shuffler

Randomize quiz order quickly

Flashcard Difficulty Sorter

Sort cards by difficulty

Exam Revision Planner

Map out exam study time

Reading List Curator

Organize books and articles

Worksheet Template Maker

Build printable worksheet drafts

Rubric Grader

Score work against a rubric

Gradebook

Track and calculate student grades

Money Counting Practice

Practice counting bills and coins interactively

Rubric Builder

Build a grading rubric with custom criteria and levels

Sight Reading Trainer

Drill treble and bass clef note recognition with timing

Thesis Timeline Planner

Auto-generate a milestone schedule from start date to defense

Ukulele Chord Chart

Look up interactive ukulele chord fretboard diagrams

States and Capitals Flashcards

Flashcard-style practice pairing US states with their capitals

Romaji Converter

Convert Japanese text between kana and romaji

Typing Practice Text Generator

Generate focused typing drills

Sampling Parameter Explainer

Explain AI sampling settings clearly

Spelling Bee Word List Generator

Build spelling lists by level

Times Tables Bingo Generator

Generate multiplication bingo cards

Long Multiplication Practice

Practice multi-digit multiplication with step-by-step answers

Punctuation Practice Quiz

Fix-the-sentence quiz for common punctuation mistakes

Classroom Timer with Visual Countdown

Run a large visual countdown timer for classroom activities

Vocabulary Word of the Day Widget

See a new vocabulary word with definition and example each day

Flashcard Deck Merger

Merge flashcard decks and remove duplicate cards

Games

50 tools

View all →

Charcuterie Board Planner

Quick, free Charcuterie Board Planner in your browser

Lyric Snippet Game

Quick, free Lyric Snippet Game in your browser

Word Ladder Puzzle Maker

Quick, free Word Ladder Puzzle Maker in your browser

Would You Rather Bracket Maker

Quick, free Would You Rather Bracket Maker in your browser

Chess Club Pairing Generator

Quick, free Chess Club Pairing Generator in your browser

Wordle-Style Game Maker

Create custom word-guess puzzles to share

Sudoku Generator

Design a printable Sudoku puzzle

Aim Trainer

Practice target speed and accuracy

Reaction Time Test

Measure your visual response speed

Typing Game

Type falling words and save your best score

Chess Board

Two-player chess: full rules, PGN & FEN, auto-resume

Minesweeper

Play Minesweeper online — classic boards, best times

Snake Game

Retro snake with a saved high score

Rock Paper Scissors

Play a bot that learns your patterns, on 3 difficulties

Tic Tac Toe

Classic Tic Tac Toe with adjustable AI difficulty

2048 Game

Classic sliding tile number game

Fantasy Points Calculator

Score a fantasy lineup under your league rules

Five Letter Word Solver

Narrow five-letter guesses from your clues

Dungeon Map Generator

Generate a dungeon layout for tabletop play

Go Board

Play or study Go on a browser board

Battleship

Play Battleship against the computer

Colour Match Game

Train your eye by matching colours

Bowling Score Calculator

Score a ten-pin game with live frame totals

Cryptogram Generator

Make a substitution cipher puzzle

Story Cubes Roller

Roll picture prompts to start a story

Chess PGN Viewer

Chess PGN viewer: replay any game move by move

Poker Odds Calculator

Work out equity and pot odds for a hand

Jigsaw Puzzle Maker

Turn a photo into a playable jigsaw

Kakuro Generator

Generate a printable Kakuro puzzle

Battle Map Grid Overlay

Add a square grid overlay to a battle map image

Yahtzee Score Sheet

Digital Yahtzee score sheet with auto totals

Slide Puzzle

Classic 15-tile sliding number puzzle

Tennis Match Scorer

Keep a simple tennis score tally

Boggle Board Generator

Create random letter boards instantly

Chess Opening Explorer

25 openings on an interactive board, by name or ECO

Guess the Number

Play a quick number guessing game

Spot the Difference Maker

Create quick difference puzzles

NPC Generator

Generate a random tabletop RPG non-player character

CPS Test

Measure how many clicks you can land per second

Football Formation Builder

Draw and export a football formation on a tactical pitch

Game of Life Simulator

Run Conway's Game of Life on an interactive grid

Word Score Calculator

Calculate a Scrabble/word-game score for typed letters

Chess Puzzle Trainer

Solve short tactical chess puzzles on an interactive board

Dots and Boxes

Play the classic pencil-and-paper dots and boxes game

Speedcube Timer

Time your Rubik's Cube solves with scramble generation

Music Note Reading Game

Practice reading treble staff notes against the clock

Sokoban

Push crates onto targets in the classic warehouse puzzle

Esports Bracket Generator

Generate single or double elimination tournament brackets

Guess the Emoji Movie Game

Play movie guessing with emoji clues

Game Achievement Tracker

Track achievement progress across your games

Fun & Misc

66 tools

View all →

Alliteration Finder

Quick, free Alliteration Finder in your browser

Codename Generator

Quick, free Codename Generator in your browser

Firearm Caliber Converter

Quick, free Firearm Caliber Converter in your browser

Garment Fabric Calculator

Quick, free Garment Fabric Calculator in your browser

Java POJO Generator

Quick, free Java POJO Generator in your browser

Structured Data Type Picker

Quick, free Structured Data Type Picker in your browser

Watch Case Size Guide

Quick, free Watch Case Size Guide in your browser

Click Counter

Click counter that counts up, down, and to a goal

Compliment Generator

Wholesome compliments to brighten days

Conspiracy Board Maker

Connect photos and clues with red string, then export your board

Scavenger Hunt Builder

Create a clue list for your next hunt

Random Hobby Generator

Random hobby generator that fits your life

Lottery Number Picker

Pick random number sets

YouTube Thumbnail Downloader

Preview thumbnail sizes from a YouTube link

Memory Match Game

Flip cards and find every matching pair

Fidget Spinner

A virtual fidget spinner with sound, color, and real physics

Drawing Canvas

Browser sketch pad with brush, color, undo, and PNG export

Date Picker Calendar

Pick, format, and copy dates or ranges

Word Search Generator

Printable word search puzzles

Bingo Card Generator

Bingo card generator for any custom theme

Bubble Text Generator

Turn text into circled bubble letters

Spirograph Maker

Draw hypotrochoid curves and export as SVG

Album Cover Mockup

Preview album art as vinyl, CD, or streaming tile

Kaleidoscope Painter

Kaleidoscope drawing tool with mirrored symmetry

Horoscope Viewer

Daily sign readings from a local set

Trivia Quiz Player

Themed trivia rounds with scoring

Crossword Grid Maker

Build and number a custom crossword grid by hand

Dad Joke Generator

Instant classic dad jokes on demand

English to GenZ Converter

Translate text into playful Gen Z slang

Fireworks Simulator

Fireworks simulator with real physics and colours

Virtual Zen Garden

Tarot Card Draw

Draw tarot cards online with six spreads

Maze Generator

Printable mazes from tiny to giant

Bubble Wrap Simulator

Endlessly poppable stress relief

Life Stats Calculator

Estimate days, heartbeats, breaths and weeks lived

Dead Pixel Test

Check an LCD screen for dead or stuck pixels

Compost Ratio Calculator

Balance carbon and nitrogen in a compost heap

Fish Pond Stocking Calculator

Work out a safe stocking density for a pond

Aquarium Stocking Calculator

Check stocking levels for a fish tank

Clothing Measurement Chart Builder

Build a size chart from real measurements

Quilt Block Calculator

Work out cutting sizes for quilt blocks

Party Food Quantity Calculator

Work out how much food and drink to buy

Gamepad Tester

Test controller buttons, sticks, and triggers

Knitting Gauge Calculator

Convert stitch counts between knitting gauges

Candle Wax Calculator

Work out wax, fragrance, and wick per batch

Beer Recipe Calculator

Calculate gravity, bitterness, and ABV

Soundboard

Play browser-generated reaction sound effects

Flashlight Online

Use your screen as a bright flashlight

Holding Signs Generator

Create fun holding-sign images

Random Fact Generator

Serve up random interesting facts on demand

Bird Cage Size Guide

Find the recommended cage size for your bird

Frost Date Planner

Plan a garden planting schedule from frost date

Lawn Care Calculator

Calculate lawn product amount needed

Pigpen Cipher Tool

Encode and decode Pigpen text

Monitor Refresh Rate Test

Estimate your monitor's actual refresh rate

Backgammon

Play backgammon against a friend or the computer

Emoji Pictionary Generator

Generate emoji-based guessing puzzles

Random Movie Night Picker

Spin a wheel of movie genres/moods to pick tonight's watch

Mahjong Tile Set Reference Guide

Look up mahjong tile suits, honors, and set composition

Guess the Board Game From Pieces

Guess a board game from a description of its pieces

Random Trivia Category Roulette

Spin for a trivia category

Emoji Story Translator

Turn a sentence into a fun emoji sequence

Two Truths and a Lie Generator

Generate ready-to-play two truths and a lie sets

Chess Notation Practice Trainer

Practice writing chess moves in algebraic notation

Random Talent Show Act Idea Generator

Generate a talent show act idea by category

Solitaire Variant Rule Reference

Look up rules for a solitaire card game variant

Network

33 tools

View all →

Latency Jitter Estimator

Quick, free Latency Jitter Estimator in your browser

Subnet Mask Cheat Sheet

Quick, free Subnet Mask Cheat Sheet in your browser

Binary to IP Converter

Convert IPv4 between binary and dotted decimal

Traceroute Online

Preview network route checks

Whats My IP

View your IP and connection details

Network Ping

Ping test online: latency, jitter & packet loss

IP Subnet Calculator

Calculate IPv4 networks, ranges, and host capacity

ASN Lookup

Look up the network behind an ASN or IP address

Open Port Checker

Preview TCP port checks with ranges and common presets

MX Lookup

Preview a domain's mail server records

IP To Hostname

Reverse-DNS lookup for any IPv4 address

Website Status Checker

Preview a website status report layout

Hostname To IP

Resolve a hostname to its IPv4 and IPv6 addresses

DNS Propagation Check

DNS propagation table demo for example.com

Subdomain Finder

Generate a candidate subdomain wordlist

HTTP Methods Auditor

Check which HTTP methods an API allows

DNS Record Generator

DNS record generator for A, MX, TXT, SPF & CAA

Wi-Fi Signal Interpreter

Wi-Fi RSSI: quality, SNR, and VoIP margin

CNAME Chain Checker

Trace a CNAME chain to its final record

Wake-on-LAN Packet Builder

Build a magic packet for a MAC address

DNS TTL Planner

Plan TTL changes for a safe DNS migration

IP Allocation Planner

Plan subnet allocation across a network block

Common Port Reference

Look up frequently used ports

DNS Lookup

Look up a domain's DNS record types

Wi-Fi Channel Planner

Plan non-overlapping Wi-Fi channels for your APs

Download Time Calculator

Estimate download time from file size and speed

WireGuard Config Generator

Generate WireGuard VPN configuration files

Zone File Validator

Check DNS zone file syntax for errors

Private IP Range Checker

Check whether an IP address falls in a private/reserved range

PTR Record Generator

Generate reverse DNS records

VLSM Subnet Planner

Plan variable-length subnets

Bandwidth Requirement Calculator

Estimate network capacity needs

WebSocket vs Polling Comparator

Get a recommendation between WebSocket and polling for your use case

Music

5 tools

View all →

Circle of Fifths Explorer

Explore keys and chords around the circle of fifths

Chord Inversion Explorer

See all inversions of a chord

Key Transposer

Shift music into a new key

Polyrhythm Trainer

Practice layered rhythmic patterns

MIDI Note Number Converter

MIDI note number to note name and frequency

3D Printing

4 tools

View all →

3D Print Failure Diagnosis

Quick, free 3D Print Failure Diagnosis in your browser

3D Print Time Estimator

Compare 3D print settings before you slice

Filament Cost Calculator

Compute material cost per print from filament weight and price

Print Bed Layout Planner

Estimate how many parts fit on a 3D printer bed

Woodworking

3 tools

View all →

Board Feet Calculator

Compute board feet of lumber from dimensions and quantity

Dovetail Spacing Calculator

Compute even dovetail tail spacing for a board width

Finish Coat Coverage Calculator

Estimate how much wood finish you need for a project

Aviation

3 tools

View all →

Aircraft Weight and Balance Calculator

Compute center of gravity from passenger/cargo/fuel weights

Crosswind Component Calculator

Compute headwind and crosswind from runway and wind data

Glider Glide Ratio Calculator

Calculate a glider's glide ratio from altitude and distance

Boating

2 tools

View all →

Anchor Rode Length Calculator

Compute recommended anchor scope/rode length by depth and conditions

Kayak Trip Distance Planner

Estimate kayak trip time from distance and current

Real Estate

4 tools

View all →

Neighborhood Commute Comparator

Compare estimated commute times from candidate neighborhoods

Rent Increase Calculator

Calculate rent changes clearly

Property Comparison Table

Compare house listings side by side in one table

Renovation ROI Estimator

Estimate resale value added by a home renovation project

Insurance

5 tools

View all →

Auto Insurance Coverage Explainer

Quick, free Auto Insurance Coverage Explainer in your

Renters Insurance Value Estimator

Quick, free Renters Insurance Value Estimator in your

Deductible vs Premium Tradeoff Tool

Visualize how changing a deductible affects estimated premium cost

Life Insurance Coverage Gap Calculator

Estimate the gap between insurance needs and current coverage

Insurance Claim Documentation Checklist

Get a documentation checklist for your insurance claim type

E-commerce

6 tools

View all →

Return Rate Impact Calculator

Estimate profit impact of a given product return rate

Consignment Inventory Aging Report

Report how long consignment items have been on the shelf

Referral Conversion Rate Calculator

Calculate referral funnel conversion and ROI

Shipping Rate Comparison Table

Compare carrier shipping quotes side by side

Flash Sale Countdown Widget

Embed a live countdown timer for a flash sale

Wishlist Price Drop Tracker (Manual)

Track wishlist items against your target prices manually

Accessibility

3 tools

View all →

Bookmarklet Builder

Quick, free Bookmarklet Builder in your browser

Text Spacing Adjuster Bookmarklet

Generate a bookmarklet that applies WCAG text-spacing overrides

Color Contrast Simulator by Condition

Preview a color pair under common color vision conditions

Browser Utilities

3 tools

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Browser Zoom Level Tester

WCAG 1.4.10 reflow tester with live effective-width and pass/fail checks

Device Sensor Tester

Check browser sensor availability

Tab Group Namer

Suggest a short group name from a list of tab titles

Algorithm Utilities

5 tools

View all →

Big-O Complexity Visualizer

Quick, free Big-O Complexity Visualizer in your browser

Pathfinding Algorithm Visualizer

Quick, free Pathfinding Algorithm Visualizer in your browser

Recursion Tree Visualizer

Visualize the call tree of a simple recursive function

Sorting Algorithm Visualizer

Watch bubble, insertion, selection, and quicksort step through an array

Graph Traversal Visualizer

Step through BFS and DFS on a custom graph

Outdoor

8 tools

View all →

Star Chart Viewer

Show visible constellations for a given date, time and location

Small Farm CSA Box Planner

Plan weekly CSA box contents from seasonal harvest

Orchard Spacing Planner

Plan tree spacing and row layout

Campfire Wood Calculator

Campfire wood example for a three-night trip

Tide and Moon Fishing Planner

Suggest fishing windows from moon phase and tide timing

Pasture Rotational Grazing Planner

Plan a rotational grazing schedule across pasture paddocks

Trail Marker Color Guide

Look up what a hiking trail marker color typically means

Feed Conversion Ratio Calculator

Calculate feed efficiency from feed consumed and weight gained

Career

5 tools

View all →

Cover Letter Outline Builder

Structured outline builder for drafting a cover letter

Interview Answer Timer

Practice interview answers against a target time with pacing feedback

Portfolio Case Study Outline Builder

Get a problem-to-outcome case study outline for your portfolio

New Hire Equipment Checklist

Get an equipment checklist for a new hire's role and setup

Freelance Project Scope Estimator

Estimate hours and a quote range for a freelance project

Legal

4 tools

View all →

Non-Compete Clause Explainer

Plain-English explainer of common non-compete clause language

Termination Notice Builder

Draft a clear termination notice

Power of Attorney Expiration Tracker

Track power of attorney documents and their expiration dates

Lease Clause Comparison Table

Compare lease clauses from two offers side by side

Environmental

3 tools

View all →

Resin Mixing Calculator

Quick, free Resin Mixing Calculator in your browser

Compost vs Landfill Impact Estimator

Estimate emissions difference between composting and landfilling waste

Recycling Symbol Lookup

Look up what a plastic resin code number means

Interior Design

4 tools

View all →

Paint Sheen Guide

Reference guide comparing paint sheen levels by room use

Store Layout Traffic Flow Sketcher

Sketch a store floor plan with a suggested customer flow

Small Bathroom Layout Planner

Plan a fixture layout for a small bathroom

Seasonal Retail Staffing Calculator

Estimate seasonal staffing needs from expected traffic increase

Parenting

4 tools

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Allowance Tracker

Track and calculate kids' chore-based allowance payments

Baby Sleep Schedule Planner

Plan naps and bedtime from wake windows

New Sibling Prep Checklist

Build a checklist to prepare an older child for a new sibling

Foster Care Placement Checklist

Build a readiness checklist for a new foster care placement

Engineering

7 tools

View all →

Robot Arm Kinematics Visualizer

Visualize simple 2-joint robot arm reach from angle inputs

Gear Ratio Calculator

Compute output speed and torque from a gear ratio and input values

Weld Size Calculator

Estimate required fillet weld size from load requirements

Pulley Speed Ratio Calculator

Calculate pulley speed changes

Pipe Thread Standard Reference

Look up pipe thread standards

Bolt Torque Spec Calculator

Review an example bolt torque specification

Truss Force Calculator

Solve for tension and compression in a simple truss

Food & Cooking

11 tools

View all →

ABV Dilution Calculator

Quick, free ABV Dilution Calculator in your browser

Tea Ratio Converter

Quick, free Tea Ratio Converter in your browser

Sourdough Hydration Calculator

Compute baker's percentage hydration from flour and water weights

Family Recipe Box Digitizer

Format handwritten family recipes into a clean digital layout

Meal Cost Per Serving Calculator

Break recipes into serving cost

Cheese Pairing Guide

Match cheese with pairings

Recipe Yield Converter

Scale a recipe's ingredient amounts to a new yield

Knife Skills Reference Guide

Look up common knife cuts and their typical dimensions

Recipe Substitution Ratio Calculator

Get the right ratio for a common ingredient substitution

Beer Style Guide Explorer

Look up ABV, IBU, and tasting notes for a beer style

Home Brewery Batch Log

Log homebrew batches with calculated ABV and attenuation

Sports

10 tools

View all →

Youth Age Bracket Calculator

Quick, free Youth Age Bracket Calculator in your browser

Carpool Coordinator

Quick, free Carpool Coordinator in your browser

Fantasy Draft Cheat Sheet Builder

Build a custom ranked player cheat sheet for a fantasy draft

Odds Format Converter

Convert decimal, fractional, and American odds

Youth Track Meet Heat Sheet Generator

Organize heat assignments for a youth track meet

Soccer Formation Diagram Maker

Sketch soccer formations visually

Darts Checkout Calculator

Find checkout combinations for a remaining darts score

Pickleball Score Tracker

Track pickleball points, side outs, and server calls

Rowing Split Pace Calculator

Rowing 500m split example: 2000m in 7:45

Youth Umpire Signal Reference

Look up standard baseball and softball umpire signals

Genealogy

4 tools

View all →

Desert Island Picks Generator

Quick, free Desert Island Picks Generator in your browser

Ancestor Chart Generator

Build a multi-generation pedigree chart

Immigration Record Search Term Builder

Get search terms and spelling variants for immigration records

Adoption Cost Estimator

See a typical total cost range for an adoption path

All Free Tools

PDF

PDF Accessibility Tag Checker

PDF Redline Markup Tool

PDF Link Extractor

PDF to HTML Converter

Document Scanner to PDF

PDF Blank Page Remover

PDF Password Protector

PDF N-Up Tool

PDF Redaction Tool

PDF Comparer

Certificate Generator

PDF Table Extractor

PDF Converter - PDF to Word, PDF to Image, PDF to PowerPoint

Any File to PDF Converter

PDF Editor

PDF Compressor

PDF Merger

PDF Viewer

PDF to JPG Converter

Markdown to PDF

HTML to PDF Converter

PDF Splitter

PDF Password Remover

PDF Page Extractor

PDF Metadata Editor

PDF Word Counter

PDF to Grayscale

PDF Cropper

PDF Signature Tool

PDF Text Extractor

PDF to PNG Converter

Resume PDF Builder

PDF Form Filler

Invoice PDF Generator

PDF Page Numberer

PDF Rotator

PDF Flattener

PDF Annotator

Searchable PDF Maker

eBook to PDF Converter

PDF to FB2 Converter

PDF Page Reorderer

PDF Header Footer Adder

PDF Attachment Extractor

Receipt PDF Generator

PDF Page Deleter

PDF Booklet Maker

PDF Bookmark Editor

PDF to EPUB Converter

PDF OCR Tool

PDF Image Extractor

PDF Page Size Converter

PDF Metadata Viewer

PDF Font Inspector

PDF Preflight Validator

Structured PDF Composer

Chat With PDF

PDF Text Highlighter Export

PDF Page Compare Overlay

PDF Chapter Bookmark Auto-Detector

PDF Security

Image

Bulk Image Naming Tool

Camera Sensor Size Comparator

Icon Consistency Checker

Illustration Style Matcher

Image Aspect Ratio Cropper Presets

Image Batch Watermark Positioner

EXIF GPS Route Mapper

Image Focus Stack Merger

Image Symmetry Checker

Line Art Colorizer Guide

Photo Exposure Bracketing Merger

Photo Perspective Corrector

Till Reconciliation Sheet

Statistics Formula Sheet

Sustainable Swap Suggester

Screenshot to Clean Text