PDF 浮水印

為 PDF 文件新增浮水印

所有處理皆在瀏覽器中完成，不會上傳任何資料。

Offline Ready

File Input

File Output

Add Watermark to PDF

Upload a PDF and add a custom text watermark overlay to all pages.

🔒所有處理皆在瀏覽器中完成，不會上傳任何資料。

How to Use

Upload a PDF, customize your watermark text, color, size, opacity, and position, then click "Add Watermark". The watermark will be applied to all pages. All processing happens locally.