JWT (JSON Web Token) Decoder
Paste a JWT to decode and inspect its header and payload contents. Signature is not verified.
About the JWT Decoder Tool
What is a JWT?
A JSON Web Token (JWT) is a compact, URL-safe means of representing claims to be transferred between two parties. The claims in a JWT are encoded as a JSON object that is used as the payload of a JSON Web Signature (JWS) structure or as the plaintext of a JSON Web Encryption (JWE) structure, enabling the claims to be digitally signed or integrity protected with a Message Authentication Code (MAC) and/or encrypted.
How to Use This Decoder
Simply paste your JWT string into the input field. The tool will instantly parse the token and display the decoded Header and Payload in a readable, formatted JSON structure. You can easily view the claims and copy the decoded parts to your clipboard. This tool does not validate the signature, as that requires the secret key which should remain on your server.
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