Decode a JWT's header and payload instantly — processed 100% locally, signature never verified server-side.
Quick Answer
JWT Decoder lets you: Decode a JWT's header and payload instantly — processed 100% locally, signature never verified server-side. To start, paste a JSON Web Token into the input field.
Paste a JSON Web Token into the input field.
The header and payload are decoded from Base64URL and shown as formatted JSON.
If an exp claim is present, its expiration status is highlighted.