Encoding Tools

JWT Decoder

Decode JSON Web Tokens and inspect header, payload, and expiry timestamps.

JWT token

Header

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

{
  "sub": "1234567890",
  "name": "DevToolBox",
  "iat": 1750000000,
  "exp": 1750003600
}

Issued at: 2025-06-15T15:06:40.000Z

Expires at: 2025-06-15T16:06:40.000Z