JWT decoder online

Decode JWTs online to inspect the header, payload, and dates such as exp, iat, and nbf without verifying the signature.

JWT

Important

This tool only decodes the token. It does not validate the signature or confirm that the issuer is legitimate.

JWT

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Paste a JWT to inspect its contents in a readable way and quickly surface relevant claims.

Decoding a token does not verify authenticity. The signature is only validated if you have the correct key and run an explicit verification step.