快捷工具

JWT Decoder

Decode and inspect JWT (JSON Web Token) header, payload, and signature without server-side verification.

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支持文档、图片、音频、视频和文本文件

隐私： 此工具完全在您的浏览器中运行。数据不会发送到我们的服务器。我们不存储、分享或访问您在此处理的任何信息。

Examples

Example 1
eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c
Click above to load example 1

FAQ

Q: Does it verify the JWT signature?

A: No, this tool only decodes (base64url decodes) the token parts for inspection.

Q: Is it safe to paste my token?

A: Yes, decoding happens entirely in your browser. Never share tokens containing production secrets.

Q: What is a JWT?

A: A JSON Web Token is a compact, URL-safe format for representing claims between two parties.

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Privacy: This tool runs entirely in your browser. No data is sent to our servers.