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JWT Decoder
Decode and inspect JSON Web Tokens
100% client-side · your data never leaves your browser
Header
{
"alg": "HS256",
"typ": "JWT"
}Payload
{
"sub": "1234567890",
"name": "John Doe",
"iat": 1516239022
}Timestamps
- iat: Thu, 18 Jan 2018 01:30:22 GMT
Verify signature (HS256)
Your secret stays in this tab and is checked locally with the Web Crypto API.
Decode JWT headers and payloads, pretty-print claims, and see human-readable timestamps for iat/exp/nbf. Optionally verify an HS256 signature with your secret - all locally, your token never leaves your browser.