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Decode JWT tokens instantly and inspect headers, payloads, expiration time, and claims directly in your browser.
This tool only decodes JWT tokens locally in your browser. It does not verify token signatures or validate authenticity. Avoid pasting production secrets or sensitive credentials.
Decode JWT tokens online and inspect token headers, payload claims, expiration timestamps, and authentication data directly in your browser without uploading data to a server.
JWT (JSON Web Token) is a compact token format used for authentication and secure data exchange between systems.
No. This tool only decodes JWT tokens locally in your browser. It does not verify signatures or validate authenticity.
No. All JWT decoding happens locally in your browser for privacy and security.
Yes. Expired JWT tokens can still be decoded to inspect payload data and claims.