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JWT Decoder

v1.0.0

Decode JSON Web Tokens to inspect header, payload, and expiration status.

Decodes JSON Web Tokens (JWTs) and displays the header, payload, and signature in a readable format without requiring the secret.

How to use
  • →Paste a JWT (the three-dot-separated string) into the token field.
  • →The header and payload sections are automatically decoded and displayed.
  • →Use the Verify tab to validate the signature with a secret or public key.
  • →Try a preset from the example picker to see sample input.
Token Input