Token Peek

Decode JWT header and payload JSON locally without signature verification.

Token Peek decodes JWT tokens in the Chrome toolbar so you can inspect header and payload JSON. How it works: • Paste a JWT (header.payload.signature) • See decoded Header and Payload as formatted JSON • If present, exp and iat claims are shown as readable dates Details: • Decode only — the signature is not verified • Useful for debugging auth tokens during development • Runs only in your browser • No account and no cloud sync Privacy: • No permissions requested • Tokens are not stored or uploaded • Works offline after install