JWT Decoder

Decode JSON Web Tokens (JWT) safely and securely in your browser. Free online developer tool with no server-side tracking.

Encoded JWT

Decoded Token Data

Paste a JWT token on the left to see the decoded header and payload.

Free JWT Decoder

JSON Web Tokens (JWT) are an open standard used to share security information between two parties. This free online tool allows you to decode JWTs securely entirely within your browser. **Your token is never sent to any server.**