JWT Decoder

Decode and inspect JWT header, payload, and claims. All decoding happens locally in your browser.

Paste and Decode Your JSON Web Token

Tip: You can paste tokens with or without “Bearer ”.

Header

Decoded JSON
Header will appear here

Payload

Decoded JSON
Payload will appear here

Signature

Base64URL
Signature will appear here

Claims

Formatted view of common JWT claims.

Claim Value Notes
Decoded claims will appear here

Verify signature

Check if the signature matches a provided key.

Verification runs locally. Avoid pasting production secrets.

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