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JWT Decoder.

Paste any JSON Web Token. We'll show its header, payload, signing algorithm, and expiry. Decodes in your browser — the token never leaves your device.

AlgorithmJWT
Issued
Expires

Header

{}

Payload

{}

Signature

aFq2jK0gw3fJ4z9wZsPAzNb6oP3lFm4JcmO8q5h_hBA

Signature verification requires the secret/public key — we never receive your token, so we don't verify. Use your auth server.

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