JWT Inspector

Auth

Decode and inspect JSON Web Tokens (Header, Payload, claims, expiration) client-side without sending tokens anywhere.

Zero server interaction — completely safe for inspecting development & auth tokens.

Calculates human-readable issue date, expiration date, and time remaining.

Encoded JSON Web Token (JWT)

Header

Algorithm & Token Type

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

Claim Overview

Expires in 1483d 23h

Issued At (iat):Thu, 18 Jan 2018 01:30:22 GMT

Expires At (exp):Sat, 21 Sep 2030 16:37:02 GMT

Signature:4zC4m_aA2b3c4d5e6f7g8h9i0j1k2l3m4n5o6p7q8r9

Payload Data

Claims & User Properties

{
  "sub": "1234567890",
  "name": "Dani Habibi",
  "role": "admin",
  "iat": 1516239022,
  "exp": 1916239022
}