Decode JWT safely in your browser.

JWT Decoder

Paste a JWT token to instantly decode header and payload, then track expiration countdown.

Local decoding only. Token data is not sent to any server.

Paste JWT

Supports raw token or Bearer token format.

Algorithm: HS256 • Type: JWT

Header

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

Payload

{
  "sub": "1234567890",
  "name": "John Doe",
  "role": "admin",
  "exp": 4102444800
}

Expiration Countdown

Expires in 26936d 19h 37m 10s

UTC: Fri, 01 Jan 2100 00:00:00 GMT

Local: Friday, January 1, 2100 at 12:00:00 AM UTC

ISO: 2100-01-01T00:00:00.000Z

UNIX (exp): 4102444800

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