Developer toolkit

JWT decode, regex tester, cron explainer, Unix time converter, and color formats — all in one place. Use the tabs or links like #jwt, #regex, etc.

Everything runs in your browser. JWT decoding does not verify signatures.

Paste JWT

Header

{
  "alg": "HS256",
  "typ": "JWT"
}

Payload

{
  "sub": "1234567890",
  "name": "John Doe",
  "iat": 1516239022
}

Signature (opaque): SflKxwRJSMeKKF2QT4… (43 chars)