JWT Inspector
DEVFREE · NO SIGNUPDecode and inspect JWT token payloads
JWT Inspector decodes a JSON Web Token and shows its header and payload in a readable form. Decoding happens in your browser, so the token is never uploaded.
How to use JWT Inspector
- 01Paste the JWT.
- 02Read the decoded header and payload.
- 03Check the claims and expiry.
Frequently asked questions
- Does it verify the signature?
- It decodes and displays the contents; it does not require your secret just to read the token.
- Is the token sent anywhere?
- No. Decoding runs locally in your browser.
- Can I see the expiry time?
- Yes. Standard claims such as exp are shown in readable form.
- Is it free?
- Yes, free with no sign-up.
● client-side● no upload● privacy-safe
dev › jwt-inspect