Tools for your daily development workflow: format and validate JSON, encode/decode Base64 and URLs, inspect JWT tokens, generate cryptographic hashes and test regex patterns with real-time highlight. Everything runs in WebAssembly — no network latency, no data sent.
Format, validate, minify and convert JSON
Encode and decode text, files and images
Decode header, payload, claims and expiry
SHA-256, SHA-512, SHA-1, MD5, BLAKE3
Test regex patterns with real-time highlighting
Percent-encoding and query string parser