TM
Dev Tools
everything runs in your browser
Developer tools
Small, fast, and entirely client-side — nothing you paste here ever leaves your browser.
JSON Formatter
Format, minify and validate JSON with precise error positions.
JWT Decoder
Inspect header, payload and expiry of JSON Web Tokens.
Base64
UTF-8-safe encode/decode, including the URL-safe variant.
URL Encoder
Encode and decode URLs, paths and query components.
UUID Generator
Generate one or many random UUIDs (v4).
Timestamp Converter
Unix epoch ↔ ISO dates, with live now and relative times.
Hash Generator
SHA-256, SHA-384 and SHA-512 digests of any text.