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JWT Token Decoder

Decode JSON Web Tokens (JWT) instantly online. View the header, payload claims, and check token expiration.

JWT Decoder

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JSON Web Tokens (JWT) are widely used for modern web authentication and secure information exchange. However, inspecting the contents of a JWT can be tedious. Our JWT Token Decoder tool allows developers to quickly parse and decode any JWT to reveal its Header and Payload details. You can easily view critical claims like the issuer, subject, expiration time (exp), and custom data embedded in the token. The tool also automatically formats the JSON output for maximum readability and highlights if a token has expired based on its timestamp. Because JWTs often contain sensitive session data, our tool processes the decoding entirely locally in your web browser. Nothing is sent to our servers, ensuring your tokens remain completely private. Simplify your API debugging and authentication flows with this fast, secure, and user-friendly JWT tool.

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