JSON, regex, Base64, JWT, hash generation, and code formatting. All processing runs locally in your browser.
JSON Formatter & Validator
Format, validate, and beautify JSON data with syntax highlighting and error detection
Regex Tester
Test and debug regular expressions with real-time matching and explanation
Base64 Encoder/Decoder
Encode and decode Base64 strings for data transmission and storage
Hash Generator
Generate MD5, SHA-1, SHA-256, and other cryptographic hashes
URL Encoder/Decoder
Encode and decode URLs for web development and API integration
JWT Decoder
Decode and inspect JSON Web Tokens (JWT) for authentication debugging
Code Formatter
Format and beautify HTML, CSS, JavaScript, and other code languages
API Tester
Test REST APIs with custom headers, parameters, and request bodies
CSS Minifier
Minify and beautify CSS code to reduce file size and improve performance