Security
Tools
Client-Side Only • Secure
JWT 解码器
即时解码 JSON Web Token (JWT)。所有处理均在客户端完成，确保您的令牌仅保留在浏览器中。
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
)