JWT Decoder
Paste a JSON Web Token to inspect its header and payload.
Header
{
"alg": "HS256",
"typ": "JWT"
}Payload
{
"sub": "1234567890",
"name": "John Doe",
"iat": 1516239022
}About JWT Decoder
Paste a JSON Web Token to inspect its header and payload. Use this free, browser-based jwt decoder on ToolHub — no signup, no uploads to a server, and no limits. Everything runs locally in your browser for instant results and complete privacy.
- ✓ 100% free and unlimited
- ✓ Works offline after first load
- ✓ No data leaves your device
- ✓ Mobile and desktop friendly