b2KIT

JWT Decoder

Decode and inspect JSON Web Tokens to view header, payload, and signature claims.

How to Use JWT Decoder

  1. 1

    Paste your JWT

    Enter the JSON Web Token string you want to inspect.

  2. 2

    View the payload

    See the decoded header, payload, claims, and expiration time.

  3. 3

    Verify the token

    Check if the token is expired or has valid structure.

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