JWT 生成器
JWT Generator 是一款免费在线Security Tools工具，可在浏览器中即时sign and verify JSON Web Tokens entirely in your browser — HS256, HS384, HS512, RS256 and ES256 run on your own WebCrypto, fresh RSA-2048/EC P-256 pairs export as PKCS#8 and SPKI PEM, exp/iat come back as human dates, and the unsigned "none" algorithm is refused by design. Nothing is uploaded。粘贴数据、调整选项即可实时获得结果——无需安装、无需注册，任何数据都不会上传到服务器。
说明
Sign and verify JSON Web Tokens entirely in your browser — HS256, HS384, HS512, RS256 and ES256 run on your own WebCrypto, fresh RSA-2048/EC P-256 pairs export as PKCS#8 and SPKI PEM, exp/iat come back as human dates, and the unsigned "none" algorithm is refused by design. Nothing is uploaded.
- 由于全部计算都在客户端完成，使用 API 密钥、令牌或私有日志等敏感数据处理时，JWT Generator 同样安全。
使用方法
使用 JWT Generator 只需三步：
- 将数据粘贴到输入框（或载入示例）。
- 根据目标格式或使用场景调整选项。
- 复制、下载或查看输出——输入时结果实时更新。
使用场景
JWT Generator 常见的使用场景：
- Sign and verify JSON Web Tokens entirely in your browser — HS256, HS384, HS512, RS256 and ES256 run on your own WebCrypto, fresh RSA-2048/EC P-256 pairs export as PKCS#8 and SPKI PEM, exp/iat come back as human dates, and the unsigned "none" algorithm is refused by design. Nothing is uploaded.
- 由于全部计算都在客户端完成，使用 API 密钥、令牌或私有日志等敏感数据处理时，JWT Generator 同样安全。
常见问题
什么是 JWT Generator？
JWT Generator 用于sign and verify JSON Web Tokens entirely in your browser — HS256, HS384, HS512, RS256 and ES256 run on your own WebCrypto, fresh RSA-2048/EC P-256 pairs export as PKCS#8 and SPKI PEM, exp/iat come back as human dates, and the unsigned "none" algorithm is refused by design. Nothing is uploaded。它完全在浏览器内运行，数据保持私密。
JWT Generator 可以免费使用吗？
可以。JWT Generator 免费、无次数限制，无需注册或安装。
我的数据会被上传吗？
不会。所有处理都在本地浏览器完成，不会发送到任何服务器。