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JWT Decoder

New

Decode and inspect JWT tokens — header, payload, signature

eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c
✓ Valid JWT structureIssued: 1/18/2018, 1:30:22 AM
payload claims
{
  "sub": "1234567890",
  "name": "John Doe",
  "iat": 1516239022
}
Browser-based, files never uploaded Instant results Works on any device

How to use JWT Decoder

  1. 1Paste your JWT token
  2. 2See decoded header and payload instantly
  3. 3Check expiration and issued-at time
  4. 4Verify signature

About this tool

Decode JSON Web Tokens (JWT) online. View header, payload, and signature. Check expiry time. Validate token structure.

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Frequently asked questions

Is it safe to paste my JWT here?

All decoding is done client-side. We never send your token to a server.

Can it verify the signature?

It validates token structure; signature verification requires the secret key.