JWT Decoder
Decode JWT tokens and inspect payload.
How to Use
- Paste JWT token
- View decoded header and payload
What is JWT?
JWT (JSON Web Token) is a compact token used for securely transmitting information between parties.
Why Use This Tool?
- Decode JWT tokens instantly
- Inspect payload data
- Debug authentication
Features
- Instant decoding
- Readable JSON output
- No data stored
Use Cases
- Authentication debugging
- API testing
- Security analysis
This tool runs entirely in your browser and does not store your data.