JWT Decoder & Token Inspector
Decode and inspect JSON Web Tokens (JWT) payload, header, claims, and expiry in real-time.
Algorithm
HS256
Issued At (iat)
Thu, 18 Jan 2018 01:30:22 GMT
Expiration Status
Wed, 18 May 2033 03:33:20 GMT
HEADER: Algorithm & Token Type
{
"alg": "HS256",
"typ": "JWT"
}PAYLOAD: Claims & Data
{
"sub": "1234567890",
"name": "John Doe",
"admin": true,
"iat": 1516239022,
"exp": 2000000000
}SIGNATURE
SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c
How to Use the JWT Decoder & Token Inspector
1
Paste your encoded JSON Web Token (header.payload.signature) into the input box.
2
Inspect the decoded algorithm header, claims payload, and issued/expiry dates.
3
Check expiration status ticker and copy individual claim values with one click.
Key Capabilities & Features
- •100% In-browser decoding with no token data sent to servers
- •Real-time expiration countdown and token validity checks
- •One-click copy for JSON payload and decoded claims
Input FormatsJWT Token String
Output FormatsJSON Object, Claims Breakdown
100% In-Browser Privacy Guarantee
Your files and data remain strictly on your device. All computations, image processing, and PDF manipulations happen locally in your web browser via WebAssembly and HTML5 APIs. No files are uploaded or stored on any remote servers.