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JWT Decoder online

Inspect the header and payload of a JSON Web Token directly in your browser. It does not verify the signature.

LOCAL TOOL

Ready to process in your browser.

How to decode a JWT

Paste the token and the tool shows the decoded header and payload. Everything happens locally, without sending the token to any server.

Important notice

This tool does not verify the token signature: it only decodes its content for inspection. Do not use it as a security control.

FREQUENTLY ASKED QUESTIONS

Does it verify the signature?

No. It only decodes the content for inspection; it does not validate the authenticity of the token.

Is my token sent anywhere?

No. The JWT is processed entirely in your browser.

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