ironroot

JWT Decoder

Decode and inspect a JSON Web Token in your browser.

  • Private
  • No sign-up
  • Works in your browser

Header

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

Payload

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

The token is decoded in your browser and never sent anywhere. The signature is not verified.

What is the JWT Decoder?

Paste a JSON Web Token to decode and pretty-print its header and payload. Everything is decoded in your browser and nothing is sent anywhere — note the signature is not verified.

How to use it

  1. 1Enter your details into the tool.
  2. 2Adjust any options to suit you.
  3. 3Read your result, and copy or download it if you need to.