JWT Decoder
Decode JSON Web Tokens (JWT) payload and header safely client-side.
Free
About JWT Decoder
Decode the readable header and payload portions of a JSON Web Token in your browser for inspection. Decoding does not verify a token's signature or prove that it is authentic.
What can you use it for?
- JWT inspection
- API debugging
- Authentication development
- Token payload checks
How to Use JWT Decoder
Follow these simple steps to get a result from the jwt decoder without unnecessary setup.
- Paste a JSON Web Token string.
- Click Decode JWT to reveal header and payload.
Browser-Based Processing
This tool is designed to run in your web browser. For tools that process files locally, your selected files can be handled on your device rather than uploaded to a ToolsLovea server. Browser and file-size limitations may vary by device.
Frequently Asked Questions
Is my secret key or token exposed?
No network requests are made. Decoding is done locally.