浮水印
在頁面上加蓋浮水印
新增半透明文字（機密、草稿、您的姓名……）疊加在每一頁上。
- 檔案在您的裝置上處理
- 無檔案大小限制
- 100% 免費
Restoring your session…
How to add a watermark to a PDF
- 1Import your PDF.
- 2Type the watermark text and adjust colour, opacity, size and position.
- 3Apply the watermark and download the marked document.
Frequently asked questions
Can I watermark only some pages?
Yes — apply to all pages or to specific ranges.
Can the watermark be diagonal?
You set the angle freely, e.g. 45° for the classic diagonal look.
Does my data stay private?
Yes, stamping runs in your browser with no upload.