JWT Decoder

Decode JSON Web Tokens (JWT) and inspect the header and payload. Perfect for debugging authentication tokens and APIs.

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Examples

JWT decode

Input:

eyJhbGciOiJIUzI1NiJ9.eyJzdWIiOiIxMjM0NTY3ODkwIn0.dozjgNryP4J3jVmNHl0w5N_XgL0n3I9PlFUP0THsR8

Output:

Header: {alg: HS256} | Payload: {sub: 1234567890}

How to Use JWT Decoder

  1. 1Paste JWT token
  2. 2Click Decode
  3. 3View header and payload

Frequently Asked Questions

Does this verify the signature?

No, it only decodes the header and payload. Signature verification is not performed.