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Practical guides for real tasks — written by the people building the tools on this site.
Showing 2,395–2,415 of 2,474 articles
📝 Text & Writing
How to Remove Line Breaks From Pasted Text
Remove unwanted line breaks from text copied out of a PDF or old document, while optionally keeping real paragraph breaks so the result still reads cleanly.
📄 PDF Tools
How to Remove Restrictions From a PDF
Strip owner-password print, copy, and edit locks from a PDF that already opens without a password, right in your browser, without a subscription unlock service.
🔲 Data & CSV
How to Reorder CSV Columns Without a Spreadsheet
Reorder or drop columns from a pasted CSV and export the result, right in your browser, without opening Excel or writing a script for a quick fix.
🖼️ Image
How to Round the Corners of an Image Online
Round any image's corners with an adjustable radius and background color, and export a real transparent PNG file, without opening a full photo editor.
👁️ Image
How to See Your Design the Way Colorblind Users Do
Simulate protanopia, deuteranopia, tritanopia, or achromatopsia on any image side by side with the original to catch color accessibility problems early.
🎨 Games & Fun
How to Sketch Online With a Drawing Canvas
Sketch with an adjustable brush and color, undo mistakes, and download your drawing as PNG, right in your browser, on mouse, touch, or stylus.
🎞️ Image
How to Speed Up or Slow Down a GIF
Change a GIF's playback speed from 0.25x to 4x while keeping every frame, right in your browser, without re-exporting from the original source video.
🔤 Text & Writing
How to Strip Accents From Text to Plain ASCII
Convert accented and diacritic characters like é, ñ, ü, and ø to their plain ASCII equivalents, right in your browser, for systems that reject non-ASCII text.
🧹 Text & Writing
How to Strip Rich Text Down to Clean Plain Text
Strip rich text or HTML formatting down to clean plain text, pasted directly or as raw HTML source, so fonts and styles from the source never carry over.
📝 Text & Writing
How to Summarize Long Text Without AI
Pull the highest-scoring sentences out of long text using local word-frequency analysis in your browser, without sending the text to an AI service.
🔤 Design & Color
How to Check Text Readability on an Image (With Examples)
Check whether text is readable on a photo. Compare practical examples, learn contrast basics, and preview your text with a free browser tool.
🔲 Image
How to Tile an Image Into a Repeating Grid
Tile an image into a grid of repeated columns and rows and export it as a single PNG, right in your browser, to preview or build a seamless repeating pattern.
📋 Productivity
How to Track Job Applications Without a Spreadsheet
Track job applications by company, role, status, and date applied, saved locally in your browser, without maintaining and reformatting a spreadsheet.
✂️ Video & Audio
How to Trim a Video Clip Online for Free
Cut a video to an exact start and end time and export it as MP4 in your browser, without opening a full video editor for a simple trim.
🗺️ SEO & Web
How to Turn a List of URLs Into a Site Map
Visualize a website's internal link structure as a tree diagram from a pasted list of page links, so you can spot orphaned pages and structural gaps.
🎵 Video & Audio
How to Turn an Audio File Into a Waveform Image
Generate a customizable waveform image from an audio file, in bars, mirrored bars, or line style, right in your browser, for a podcast cover or visual reference.
📈 Data & CSV
How to Turn Pasted Data Into a Quick Chart
Paste label,value data and get an instant line or bar chart without opening Excel or Google Sheets — a fast way to see a trend before you build a real report.
🎥 Video & Audio
How to Turn Photos Into a Timelapse Video
Build an MP4 timelapse video from an ordered sequence of photos, with adjustable frame rate and output resolution, right in your browser.
🖼️ Image
How to Upscale an Image Without Losing Quality
Enlarge a JPG, PNG, or WebP image 2x to 4x with an on-device AI model in your browser, without uploading old low-resolution photos to a random website.
🧮 Math & Science
How to Use a Free Online Scientific Calculator
Run trig, logarithms, roots, powers, and factorials from your browser with a running history, without installing a calculator app or hunting for your physical one.
🧠 Education
How Spaced Repetition Flashcards Schedule Themselves
Use a spaced repetition flashcard trainer that schedules review dates automatically based on how well you recall each card, so you study less and remember more.