TOKEN TOOL
JWT Decoder
Inspect JWT headers, payloads, claims and expiry information locally.
- ✓ Runs locally
- ✓ Unicode safe
- ✓ No sign-up
Decoding reveals token content but does not verify its signature or authenticity.
What does this JWT decoder do?
It decodes the Base64URL header and payload of a JSON Web Token and presents their JSON claims. Numeric iat and exp values are also shown as readable dates.
How to use it
- Paste a complete token containing three dot-separated segments.
- Select Decode JWT.
- Review the header, payload and expiry summary.