JWT stands for JSON Web Token and is commonly used for authentication and authorization.

Is this decoder secure?

Yes. Everything is decoded locally in your browser. No token is uploaded.

Does this tool verify signatures?

No. It decodes the token contents but does not verify the cryptographic signature.

FAST WEB TOOLS

Decode JSON Web Tokens instantly inside your browser. Inspect the Header, Payload and Token Information without sending your JWT to any server.

Paste a JSON Web Token to inspect it instantly.

Paste JWT here...

Characters: 0JWT Parts: 0/3

Decoded header information.

Paste a valid JWT token to inspect its decoded header.

Decoded payload claims.

Paste a valid JWT token to inspect its decoded payload.

Decoded metadata extracted from the JSON Web Token.

Algorithm

Token Type

Issuer

Subject

Audience

Issued At

Expires

Not Before

Status

Valid

Signature

Missing

Token Size

0 characters

Common questions about this tool.

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