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Practical guides for real tasks — written by the people building the tools on this site.
Showing 2,374–2,394 of 2,474 articles
🫧 Developer Tools
How to Generate a Random SVG Blob Shape
Generate a random, smooth organic blob shape as SVG using a Catmull-Rom spline, with adjustable points and randomness, right in your browser, ready for design.
🎛️ Design & Color
How to Generate Neumorphic Soft-UI CSS
Generate neumorphic soft-UI box-shadow CSS with a live preview — flat or pressed, adjustable distance, blur, and intensity — right in your browser.
📝 Text & Writing
How to Join a List Into a Comma-Separated String
Join a line-by-line list into one comma-separated string with a chosen separator, optional quoting, and a natural 'and' before the last item, right in your browser.
✅ Productivity
How to Keep a To-Do List Without an Account
Add, check off, filter, and clear tasks with a fast to-do list saved to your device only, with no account, sign-up, or sync required.
💻 Developer Tools
How to Look Up ASCII Codes Fast
Browse the full 0-127 ASCII table with decimal, hex, and octal codes, searchable by character or code, right in your browser, without a static reference image.
🌐 Network
How to Look Up the Network Behind an IP Address
Learn what an ASN lookup actually tells you about the network behind an IP address, why the data lives in routing registries, and how to read the result.
🖼️ Image
How to Make a Framed Profile Picture Online
Crop a photo to a circle or rounded square, add a colored ring and an optional corner badge, and download it as a PNG, right in your browser.
✍️ Education
How to Make a Handwriting Practice Worksheet Fast
Generate a printable handwriting practice worksheet with ruled tracing lines from any word or phrase, useful for name practice, spelling lists, or letter drills.
⚖️ Productivity
How to Make a Weighted Pros and Cons List
Build a pros and cons list with per-item weights and get an instant weighted verdict as you edit, right in your browser, for decisions that aren't a simple coin flip.
🎓 Education
How to Make Digital Flashcards for Studying
Build a flashcard deck, flip through it to study, and shuffle the order, saved to your device only, without a study app account or subscription.
🎵 Video & Audio
How to Merge Multiple Audio Tracks Into One File
Merge two or more audio files into a single reorderable MP3 using FFmpeg compiled to WebAssembly, right in your browser, without a full audio editor.
🎵 Design & Color
How to Mock Up Album Art Before You Release It
Preview your album artwork as a vinyl sleeve, CD jewel case, or streaming app tile before you upload it, so you catch cropping and legibility issues early.
🔊 Video & Audio
How to Normalize Audio to a Consistent Volume
Normalize an audio file's peak volume to a target dBFS level and export it as WAV, right in your browser, without a full digital audio workstation.
🔢 Games & Fun
How to Play 2048 Online for Free
Play classic 2048 — slide and merge tiles with arrow keys or a swipe, with your best score saved locally, right in your browser, no app install needed.
✂️ Games & Fun
How to Play Rock Paper Scissors Against a Bot
Play Rock Paper Scissors against a bot that studies your recent moves to predict and counter your next one, free and right in your browser.
🐍 Games & Fun
How to Play Snake Online for Free
Play classic Snake in your browser with arrow keys or WASD, pick a speed level, and chase a high score, without installing an app or digging out an old phone.
📱 Social Media
How to Preview a Social Post Before You Publish It
Preview how a post will look with your name, handle, and text before publishing, and check it against per-platform character limits so nothing gets cut off.
💻 Developer Tools
How to Preview How Your Link Looks When Shared
Preview an Open Graph link card as it would appear on Facebook, X, or Discord, with per-platform character limits and generated meta tags, right in your browser.
📊 Data & CSV
How to Pull a Random Sample From CSV Data
Sample rows from pasted CSV or line-delimited data using random, first-N, or every-Nth methods, with an optional seed for reproducible results, right in your browser.
📧 Text & Writing
How to Pull Email Addresses Out of Any Text
Paste any text and instantly extract every email address it contains, with deduplication and one-click copy, without writing a regex by hand.
📄 PDF Tools
How to Pull Specific Pages Out of a PDF
Pull specific pages, in any order, out of a PDF into a single new document, right in your browser, without splitting the whole file or reprinting it.