Developer Utilities
Format JSON, decode JWTs, test regex, encode Base64, and generate cryptographic hashes with instant client-side tools.
JSON Formatter & Validator
Format, validate, prettify, and minify JSON strings with precise line/column syntax error highlighting.
JSON to CSV Converter
Convert JSON object arrays or nested data into structured CSV spreadsheets with automatic delimiter handling.
Base64 Encoder & Decoder
Encode text and binary data to Base64 format or decode Base64 strings back to clean UTF-8 text.
URL Encoder & Decoder
Encode special characters into percent-encoded URL query strings or decode percent-encoded URLs to readable text.
HTML Entity Encoder & Decoder
Convert special characters like <, >, &, and quotes into HTML entities to prevent XSS, or decode entities to text.
UUID Generator
Generate bulk, cryptographically secure UUID v4 (and NIL) identifiers with uppercase, lowercase, and hyphen options.
Hash Generator
Generate cryptographic digests for text using SHA-1, SHA-256, SHA-384, SHA-512, and MD5 algorithms.
Regex Tester
Test, debug, and validate Regular Expressions against sample text with live match highlighting and capture group inspection.
XML Formatter & Validator
Format, prettify, indent, and validate XML documents with syntax error detection and tag hierarchy inspection.
JWT Decoder
Decode and inspect JSON Web Token (JWT) Header, Payload, and expiration status in your browser without transmitting your token.