Developer Tools

Formatting, encoding, and inspection utilities for working with code.

JSON Formatter & Validator Pretty-print JSON with indentation, and get a clear error message if it's invalid. Open Tool
JSON Minifier Strip whitespace from JSON to reduce its size for storage or transfer. Open Tool
HTML Formatter Indent and tidy up minified or messy HTML markup. Open Tool
HTML Minifier Remove comments and extra whitespace from HTML to reduce file size. Open Tool
CSS Formatter Indent and organize minified or messy CSS for easier reading. Open Tool
CSS Minifier Compress CSS by removing comments and unnecessary whitespace. Open Tool
JavaScript Formatter Indent and reformat minified or messy JavaScript for readability. Open Tool
JavaScript Minifier Strip comments and blank lines from JavaScript for a smaller file. Open Tool
Base64 Encoder / Decoder Encode text to Base64 or decode a Base64 string back to text. Open Tool
URL Encoder / Decoder Percent-encode text for use in a URL, or decode an encoded URL string. Open Tool
UUID Generator Generate random Version 4 UUIDs for use as unique identifiers. Open Tool
Hash Generator Generate a cryptographic hash of any text using SHA-1, SHA-256, SHA-384, or SHA-512. Open Tool
Timestamp Converter Convert between Unix timestamps and human-readable dates. Open Tool
Color Converter Convert colors between HEX, RGB, and HSL formats with a live preview. Open Tool
Regex Tester Test a regular expression against sample text with live match highlighting. Open Tool