Free JWT Token Decoder — Inspect Header & Payload Online Online
Decode JSON Web Tokens (JWT) into human-readable Header and Payload JSON. Checks token expiration time, issued-at timestamps, and algorithm details. — 100% free online utility, zero sign-up, zero paywalls, and private client-side processing.
{
"alg": "HS256",
"typ": "JWT"
}{
"sub": "1234567890",
"name": "Alice Developer",
"admin": true,
"iat": 1516239022,
"exp": 1792870000
}How It Works
Paste JWT String
Paste your three-part encoded JWT token.
Inspect Claims
Review header algorithm and payload claims with human-readable timestamps.
Frequently Asked Questions
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