JWT Decoder
Encoders & DecodersDecode JSON Web Tokens and view their payload data.
About This Tool
Quickly inspect JWT tokens. View the header, payload, and signature components of any token without compromising security or sending data to a server.
Frequently Asked Questions
Yes, decoding a JWT is done locally in your browser using JavaScript. The token is never sent to our server, keeping your credentials secure.
A JWT consists of three parts separated by dots: the Header (algorithm info), the Payload (user claims/data), and the Signature (verification hash).
No, JWTs should never contain passwords. They typically contain user IDs, roles, and expiration timestamps that are meant to be shared with the client.
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