Developer & Data Tools·Zero-Upload Browser Execution
JWT Inspector & Claims Decoder
Decode JWT header and payload JSON locally in browser memory, inspect claims, and verify token expiration timestamps.
Signature Unverified (Key Required)
Enter a secret or public key to verify the JWT signature.
Decoded Header, Claims & Verification Report
Algorithm
HS256
Expiry Status
Active
Expires (UTC)
2031-10-17 10:40:00
1{
2 "header": {
3 "alg": "HS256",
4 "typ": "JWT"
5 },
6 "payload": {
7 "sub": "usr_42",
8 "email": "dev@taskify.live",
9 "role": "admin",
10 "iat": 1730000000,
11 "exp": 1950000000
12 },
13 "claimsTiming": {
14 "issuedAt": "2024-10-27T03:33:20.000Z",
15 "notBefore": null,
16 "expiresAt": "2031-10-17T10:40:00.000Z",
17 "isExpired": false
18 },
19 "signatureVerification": {
20 "status": "missing_key",
21 "algorithm": "HS256",
22 "message": "Enter a secret or public key to verify the JWT signature."
23 }
24}
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