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Encoder & Decoder

How to use Encoder & Decoder

Base64, URL encoding, JWT decoding and hashing in one place. Pick a mode and get the result instantly.

Available modes

  • Base64 Encoder/Decoder — Encode text to Base64 or decode Base64 back to plain text, instantly in your browser.
  • URL Encoder/Decoder — Encode text for safe use in a URL, or decode a URL-encoded string back to plain text.
  • JWT Decoder — Decode a JWT's header and payload to inspect its claims.
  • Hash Generator — Generate SHA-1, SHA-256, SHA-384, and SHA-512 hashes from text, right in your browser.