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JWT Decoder

Decode JWT tokens to view header and payload

JWT Token

Header

Payload

Signature

Instructions

JWT 解码器使用说明

功能简介

解码 JWT Token，查看 Header 和 Payload 内容，帮助调试和检查认证信息。

使用方法

粘贴 JWT Token（格式：xxx.yyy.zzz）

自动解码并显示 Header 和 Payload

查看过期时间等关键信息

注意事项

仅解码展示，不会校验签名

Token 仅在浏览器本地解析，不会上传

❓ FAQ

Is my token uploaded?

No, tokens are parsed locally in your browser for security.

Does it verify signatures?

No, it only decodes and displays the Header and Payload.

Is this tool free?

Yes, it is completely free and requires no registration.

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