Developer Tools
JSON, JWT, Base64, regex, and more — all free and private.
JSON Formatter & Validator
Format, validate, and beautify JSON data with syntax highlighting and error detection.
JWT Decoder
Decode and inspect JWT tokens. View header, payload, and verify signatures.
Base64 Encode/Decode
Encode text to Base64 or decode Base64 back to text. Supports UTF-8 and binary data.
URL Encode/Decode
Encode or decode URL components. Handle special characters, query strings, and full URLs.
Regex Tester
Test regular expressions with real-time matching, capturing groups, and explanation.
UUID Generator
Generate UUID v4 identifiers. Create single or bulk UUIDs with one click.
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text or files using Web Crypto API.
CSS Minifier & Beautifier
Minify or beautify CSS code instantly. Remove comments and whitespace to reduce file size.
JavaScript Minifier
Minify JavaScript code by removing comments and whitespace. Reduce file size for faster page loads.
HTML Minifier
Minify HTML code by removing comments and collapsing whitespace. Preserve content in pre, code, and script tags.
Markdown to HTML Converter
Convert Markdown to HTML with live preview. Supports headers, bold, italic, links, code blocks, lists, and more.
Cron Expression Parser
Parse cron expressions to human-readable descriptions. See next scheduled run times and use common presets.