Back to Free Tools
FREE TOOLS
JWT decoder
Inspect JWT header and payload without claiming verification.
Three-segment JWT
JSON
Browser only
Your input and output are processed in this browser. They are not uploaded for processing. No account is required.
This tool needs JavaScript. If it does not load, refresh the page and try again.
How to use this tool
- Paste a three-segment JWT.
- Run the tool to decode its header and payload as JSON.
- Review or download the report; the signature and claims are not verified.
Examples
A three-segment JWT: header.payload.signature
Limitations
Decode only; no signature verification or authorization.
Encrypted five-segment JWE tokens are unsupported.
Up to 100,000 input characters.
Related tools
No items found.