SecurityPrivacy-firstNo trackingRuns locally
JWT Decoder
Decode JSON Web Tokens and inspect headers, payloads, and expiration times.
Header
-
Payload
-
Quick tips
- *Paste a JWT into the input.
- *The header and payload are decoded locally.
- *Errors appear if the token format is invalid.
Everything runs locally in your browser. No uploads or tracking.
How it works
- Step 1
Paste a JWT into the input.
- Step 2
The header and payload are decoded locally.
- Step 3
Errors appear if the token format is invalid.
FAQ
Does this verify signatures?+
No. It only decodes the token. Verification requires the signing secret or key.
Is my token stored?+
No. The token stays in your browser.