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JWT Decoder

Route: /jwt

Decode and inspect JSON Web Tokens.

Features​

  • Header and payload inspection — decode the token's claims.
  • Readable JSON view of each segment.
  • Validation of token structure.

Using it​

  1. Open JWT Decoder from the sidebar.
  2. Paste a JWT (header.payload.signature).
  3. Inspect the decoded header and payload claims.

Notes​

  • Decoding happens in your browser. A JWT is only Base64URL-encoded, not encrypted — never treat the contents as secret.