Security
Tools
Client-Side Only • Secure
JWT 디코더
JWT(JSON Web Token)를 즉시 디코딩합니다. 모든 처리는 클라이언트 측에서 수행됩니다.
Invalid JWT format
Client-Side Secure
We respect your security. Tokens pasted here are decoded locally using JavaScript and are never transmitted to our servers.
Header
Algorithm & Token Type
{}
Payload
Data (Claims)
{}
Signature
Verification
HMACSHA256(
base64UrlEncode(header) + "." +
base64UrlEncode(payload),
your-256-bit-secret
)