Developer Tools
Format and validate JSON, beautify HTML, CSS and JavaScript, encode and decode URL, Base64 and HTML entities, generate UUIDs and hashes, test regular expressions.
JSON Formatter
Format, beautify and minify JSON with error highlighting.
JSON Validator
Check whether JSON is valid and find the exact location of errors.
HTML Formatter
Beautify or minify HTML code with proper indentation.
CSS Formatter
Beautify or minify CSS stylesheets.
JavaScript Formatter
Beautify JavaScript and JSON code for easier reading.
URL Encoder
Percent-encode text for safe use in URLs and query strings.
URL Decoder
Decode percent-encoded URLs back into readable text.
Base64 Encoder
Encode text to Base64 with full UTF-8 support.
Base64 Decoder
Decode Base64 strings back into readable text.
UUID Generator
Generate random version 4 UUIDs in bulk.
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes of text or files.
Color Converter
Convert colors between HEX, RGB, HSL and CMYK and check contrast.
HEX to RGB Converter
Convert HEX color codes to RGB values.
RGB to HEX Converter
Convert RGB color values to HEX codes.
Regex Tester
Test JavaScript regular expressions with live match highlighting.
HTML Entity Encoder
Escape special characters as HTML entities.
HTML Entity Decoder
Convert HTML entities back into normal characters.