JWT Decoder

Decode and inspect JSON Web Tokens. See claims, timestamps, and expiry status with live countdown.

JWT Decoderbeta

Client-only

Paste JWT

Presets

eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkphbmUgRG9lIiwiZW1haWwiOiJqYW5lQGV4YW1wbGUuY29tIiwiaWF0IjoxNzg3ODU1NzE0LCJleHAiOjE3ODc4NjI5MTR9.ZmFrZS1zaWduYXR1cmUtbm90LXZlcmlmaWVkLW1jNXkzbGo4

HeaderPayloadSignature

Valid2h 0m expires in

Header

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

Payload

{
  "sub": "1234567890",
  "name": "Jane Doe",
  "email": "jane@example.com",
  "iat": 1787855714 // Aug 27, 2026, 06:35:14 PM UTC,
  "exp": 1787862914 // Aug 27, 2026, 08:35:14 PM UTC
}

Signature

Algorithm: HS256

ZmFrZS1zaWduYXR1cmUtbm90LXZlcmlmaWVkLW1jNXkzbGo4

Signature verification requires the secret key and is not performed client-side for security.

Claims (5)

Claim	Value	Description
`sub`	`1234567890`	Subject
`name`	`Jane Doe`	Full Name
`email`	`jane@example.com`	Email Address
`iat`	`1787855714 (Aug 27, 2026, 06:35:14 PM UTC)`	Issued At
`exp`	`1787862914 (Aug 27, 2026, 08:35:14 PM UTC)`	Expiration Time

Base64URL Decoder

Your token never leaves your browser. Signature verification is not performed — only decoding.