Tidybyte
  • Base64 Encode & DecodeEncode and decode Base64 in your browser, UTF-8 safe, with a URL-safe variant. Nothing is uploaded.
  • JSON Formatter & ValidatorFormat, validate and minify JSON in your browser. Pinpoints syntax errors and converts MongoDB shell text. Nothing is uploaded.
  • JWT DecoderDecode a JSON Web Token in your browser: header, payload and expiry in human time. Decode only: no verification, nothing is uploaded.
  • Regex TesterTest JavaScript regular expressions with live match highlighting and capture groups. Runs in your browser; nothing is uploaded.
  • Text DiffCompare two texts line by line or word by word, inline or side by side. Runs in your browser; nothing is uploaded.
  • Timestamp ConverterConvert Unix epoch seconds or milliseconds to ISO 8601 and back, in any timezone. Runs in your browser, nothing is uploaded.
  • URL Encode, Decode & ParsePercent-encode and decode URLs and query strings, or break a URL into its parts. Runs in your browser; nothing is uploaded.
  • UUID & Hash GeneratorGenerate UUID v4 and v7 and compute SHA-1, SHA-256, SHA-384 and SHA-512 hashes with Web Crypto. Runs in your browser, nothing is uploaded.
Theme

JWT Decoder

Decode a JSON Web Token in your browser: header, payload and expiry in human time. Decode only: no verification, nothing is uploaded.

Loading tool…