eSign a PDF电子签名 PDF

Add a legally-styled electronic signature to any PDF in seconds. Works with mouse, trackpad or touchscreen.几秒内给任意 PDF 添加具有法律效力的电子签名样式。支持鼠标、触控板和触摸屏。

How to esign a pdf操作步骤：电子签名 PDF

Looking for the full version? See Sign PDF.想看完整版？请使用签名 PDF。

Do I need to upload my file?需要上传文件吗？

No. Everything is processed locally in your browser — the file never leaves your device.

不需要。所有处理都在你的浏览器中本地完成——文件永远不会离开你的设备。

Is there a file size or page limit?有文件大小或页数限制吗？

No artificial limits. Very large files depend on your device memory; a modern laptop handles hundreds of MB without trouble.

没有任何人为限制。超大文件取决于你设备的内存；现代笔记本处理几百 MB 毫无压力。

Does it cost anything?收费吗？

Nothing. All tools are free, with no sign-up and no watermark.

完全免费。所有工具都不收费，无需注册，也不加水印。

Which browsers are supported?支持哪些浏览器？

Any recent version of Chrome, Edge, Firefox or Safari with JavaScript enabled.

任何较新版本的 Chrome、Edge、Firefox 或 Safari，启用 JavaScript 即可。