Does this verify the signature?

No — this is decode-only. Signature verification needs the signing key and will come in a separate tool.

Is my token sent anywhere?

No. Decoding runs in your browser. Safe for production tokens.

Decode any JWT. See header, payload, signature, and humanized iat/exp/nbf claims.

Paste, drop a file, or .

1
Paste the token
Three parts separated by dots — header.payload.signature.
2
Read the decoded output
Header, payload, and timestamp claims with relative time.

Does this verify the signature?: No — this is decode-only. Signature verification needs the signing key and will come in a separate tool.
Is my token sent anywhere?: No. Decoding runs in your browser. Safe for production tokens.