Developer Tools
Formatters, validators and encoders for developers.
JSON Formatter
Format, validate and beautify JSON instantly with syntax highlighting.
JSON Validator
Validate JSON syntax and pinpoint exactly where errors occur.
Base64 Encoder
Encode text or strings into Base64 format instantly.
Base64 Decoder
Decode Base64 strings back into readable text instantly.
URL Encoder
Percent-encode text and URLs for safe use in query strings and links.
URL Decoder
Decode percent-encoded URLs and query strings back to plain text.
JWT Decoder
Decode a JWT's header and payload without verifying the signature.
JWT Encoder
Create a signed HS256 JSON Web Token from a payload and secret.
Regex Tester
Test regular expressions against sample text and see every match highlighted.
HTML Formatter
Beautify minified or messy HTML with proper indentation.
CSS Minifier
Minify CSS by removing comments, whitespace and redundant characters.
JavaScript Minifier
Strip comments and extra whitespace from JavaScript code.