JWT Decoder
Decode a JSON Web Token (JWT) online and inspect header, payload, claims and expiry — no signature verification, free, no upload needed.
Issued at (iat)
Not before (nbf)
Expires (exp)
Header
Payload
Signature (unverified)
Daily limit for this tool reached. An account or Premium unlocks higher limits.
How it works
- Paste a JWT
- Header and payload are shown decoded
- Check validity and expiry