Browser tools that
stay out of your way.

QR Code Generator

Customize colors, error correction, and quiet zone. Download as SVG or PNG instantly.

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.

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.

Favicon Generator

Generate a favicon from any text, emoji, or image. Pick colors, preview at real size, and download as PNG 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.

Timestamp Converter

Convert Unix timestamps to human-readable dates and back. See the current epoch time live, with UTC, local, and ISO 8601 outputs.

Aspect Ratio Calculator

Calculate dimensions from any aspect ratio. Lock a ratio, enter one side, and get the other instantly. Common presets included.

SEO Meta Tag Generator

Fill in your page details and get ready-to-paste HTML meta tags: title, description, Open Graph, and Twitter Card.