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JWT Decoder

Decode JWT tokens to view header and payload

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📖 Instructions

JWT Decoder Instructions



Introduction


Decode JWT tokens to view the Header and Payload, useful for debugging and inspecting authentication data.

How to Use


  • Paste a JWT token (format: xxx.yyy.zzz)

  • The Header and Payload are decoded and shown automatically

  • Review key info like the expiry time


  • Notes


  • This tool only decodes and displays; it does not verify signatures

  • Tokens are parsed locally in your browser; nothing is uploaded
  • ❓ FAQ

    Is my token uploaded?

    No, tokens are parsed locally in your browser for security.

    Does it verify signatures?

    No, it only decodes and displays the Header and Payload.

    Is this tool free?

    Yes, it is completely free and requires no registration.

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