JSON Web Token (JWT) Decoder
Security & Encryption✨ Free TodayDecode and inspect JSON Web Tokens (JWT) client-side to examine Header, Payload, and expiration status.
JWT Token (Encoded)
HEADER: Algorithm & Token Type
{
"alg": "HS256",
"typ": "JWT"
}PAYLOAD: Data / Claims
{
"sub": "1234567890",
"name": "Ahmet Yelmaz",
"admin": true,
"iat": 1700000000,
"exp": 2000000000
}Expiration (EXP):5/18/2033, 3:33:20 AM
Valid
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How to Use JSON Web Token (JWT) Decoder
1
Paste JWT String
Paste your 3-part encoded token into the box.
2
Inspect Payload
Read decoded JSON header and payload with color-coded claims.
Privacy Guarantee:All computations, transformations, and file processing occur 100% locally in your browser via client-side JavaScript. Your sensitive data is never uploaded or logged on any remote server.
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