Enter secret to verify
Header
{
"alg": "HS256",
"typ": "JWT"
}Payload
{
"sub": "1234567890",
"name": "John Doe",
"iat": 1516239022
}iat (Issued at): 1/18/2018, 1:30:22 AM
Signature
SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c
- HMAC signing/verification uses the browser's Web Crypto API — keys never leave your device.
- Supported algorithms: HS256, HS384, HS512. RS/ES algorithms are not supported.