Developer Utilities

JWT Decoder

Decode JWT tokens and inspect header, payload and signature.

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Paste JWT Token to decode

JWT consists of three parts: Header.Payload.Signature

What is JWT Decoder?

JWT (JSON Web Token) is a standard for secure information transmission. This tool decodes JWT tokens to view their contents.

JWT Structure

  • Header: Algorithm and token type
  • Payload: Claims and data
  • Signature: Verification signature

Use Cases

  • API debugging
  • Authentication troubleshooting
  • Token inspection