🔥 FireTools

JWT Decoder

Decode JWT tokens and inspect the header and payload. See the decoded JSON content instantly.

Local processing

How to Use

Enter your input above. The result updates automatically. Use the copy button to copy the result.

Privacy

All processing happens in your browser. Your data is never uploaded to any server.

FAQ

Does this validate JWT signatures?

No, this tool only decodes the token. It does not verify the signature.

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