PDF 签名

为 PDF 文档添加数字签名

所有处理均在浏览器中完成，不会上传任何数据。

Offline Ready

File Input

File Output

Add Signature to PDF

Draw or create a signature and place it on a PDF document.

🔒所有处理均在浏览器中完成，不会上传任何数据。

Draw Signature

Stroke Color

#000000

Stroke Width

How to Use

Upload a PDF, draw your signature in the canvas above, then click "Add Signature to PDF". Adjust the placement position and scale as needed. All processing happens locally in your browser.