// 17 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.