// 22 free tools
Tools for people
that make stuff.
Every tool runs entirely in your browser.
No account, no server, no tracking.
Just open and use.
// Developer
Text Diff Tool
Compare two texts side by side with line and character-level highlights. Download as a .patch file.
SVG Cleaner & Optimizer
Strip Inkscape metadata, editor comments, and junk attributes. Get a clean, smaller SVG instantly.
JSON Formatter
Paste messy or minified JSON and instantly get a clean, indented, readable result. Sort keys, minify, or download as a file.
Text Case Converter
Convert any text between camelCase, snake_case, kebab-case, PascalCase, Title Case, UPPERCASE, and more. Instant, free, runs in your browser.
JWT Decoder
Paste any JWT and instantly decode the header, payload, and expiry. Runs entirely in your browser — your tokens never leave your device.
SEO Meta Tag Generator
Fill in your page details and get ready-to-paste HTML meta tags: title, description, Open Graph, and Twitter Card.
// Design
Color Picker
Pick any color and get HEX, RGB, and HSL values alongside complementary harmony palettes.
WCAG Contrast Checker
Check foreground/background contrast ratios against WCAG 2.1 AA and AAA requirements.
Device Mockup Generator
Wrap any screenshot in an iPhone, browser, or MacBook frame. Download as a retina-quality PNG instantly.
Favicon Generator
Generate a favicon from any text, emoji, or image. Pick colors, preview at real size, and download as PNG instantly.
Aspect Ratio Calculator
Calculate dimensions from any aspect ratio. Lock a ratio, enter one side, and get the other instantly. Common presets included.
Color Palette Builder
Generate a 9-stop tint and shade scale from any base color. Export as CSS custom properties or a Tailwind palette object.
CSS Gradient Generator
Build linear and radial CSS gradients visually. Add color stops, adjust the angle, and copy the background CSS instantly.
// Utilities
QR Code Generator
Customize colors, error correction, and quiet zone. Download as SVG or PNG instantly.
Timestamp Converter
Convert Unix timestamps to human-readable dates and back. See the current epoch time live, with UTC, local, and ISO 8601 outputs.
Base64 Encoder & Decoder
Encode text to Base64 or decode Base64 back to text instantly. Handles full Unicode including emoji. Runs entirely in your browser.
URL Encoder & Decoder
Encode or decode URL components and query strings instantly. Supports encodeURIComponent and full URI encoding. Runs entirely in your browser.
SHA Hash Generator
Generate SHA-1, SHA-256, SHA-384, and SHA-512 hashes from any text. Uses the browser's built-in Web Crypto API — nothing leaves your device.
UUID Generator
Generate cryptographically random UUID v4s instantly. Single or bulk generation up to 25 at once. Uses the browser's crypto API — no server involved.
Secure Password Generator
Generate strong, random passwords with custom length and character sets. Uses cryptographic randomness. Your passwords never leave your browser.
Image Compressor
Compress JPEG, PNG, and WebP images in your browser using the Canvas API. Adjust quality, see before and after file size, and download instantly.
OG Image Cropper
Crop screenshots to 1200×630 OG, Twitter Card, Square, or YouTube dimensions. Drag to reposition, resize with corner handles, download as PNG.