Rate this tool:
Was this tool helpful?
Decode and inspect JSON Web Tokens — header, payload, and expiration.
{
"alg": "HS256",
"typ": "JWT"
}{
"sub": "1234567890",
"name": "John Doe",
"iat": 1516239022,
"exp": 9999999999
}Signature not verified
This tool decodes the token client-side only. Verifying the signature requires the signing secret/key — never paste production secrets into a browser.
SflKxwRJSMeKKF2QT4fwpMeJf36P…Expires in 95133d 3h
11/20/2286, 5:46:39 PM
| Claim | Name | Value |
|---|---|---|
sub | Subject | 1234567890 |
name | — | John Doe |
iat | Issued at | 1/18/2018, 1:30:22 AM · (1516239022) |
exp | Expiration | 11/20/2286, 5:46:39 PM · (9999999999) |
exp, iat, and nbf as human-readable dates, with a live expiration pill.⚠️ Signature verification is not performed — decoding only shows the token contents. Never paste production secrets into browser tools.