JWT Decoder Online
Decode JSON Web Tokens (JWT) and inspect their header and payload instantly. This tool works entirely in your browser for privacy and security.
How to Use the JWT Decoder
- Paste your JWT into the input editor
- Click the "Decode" button
- View the decoded header and payload in JSON format
- Copy results using the copy buttons
💡 Note: This tool only decodes JWT tokens. It does not verify the signature or check validity. Always validate tokens securely in your backend.