JWT parser
Decode JWT header and payload sections to inspect claims, algorithm, and expiry. Displays the signature but does not verify it.
Paste a JWT to inspect it.
// About this tool
Inspect a JSON Web Token without sending it to a server. See the header, payload claims, and signature, and check expiry timestamps. Expiry and issued-at claims are easy to spot.
// How to use it
- Paste the JWT into the input.
- Review the decoded header and payload.
- Check claims such as exp and iat.
// Frequently asked questions
Does this verify the signature?
No. It only decodes the token; signature verification requires the issuer key.
Is my token uploaded?
No. Decoding happens locally in your browser.