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為 PDF 加入浮水印

編輯

在 PDF 上蓋上文字或圖像浮水印。

將 PDF 拖曳到此處

處理 ≤ 50.0 MB

關於此工具

在 PDF 上蓋上文字或圖像浮水印。

架構層面的隱私保護

所有處理都在您的瀏覽器中進行。您的 PDF 永遠不會上傳到我們的伺服器。無需帳戶,無使用限制。

工作原理

  1. 1選擇 PDF — 永遠不離開你的裝置
  2. 2按需配置工具
  3. 3結果儲存到下載

Frequently asked questions

Is this PDF watermark tool free?

Yes, completely free with no usage limits and no watermark from us.

Can I add an image watermark?

Text watermarks are supported now. Image watermarks coming in a future update.

Will my PDF be uploaded to a server?

No. Watermark addition runs in your browser.

Can I customize opacity and position?

Yes, you can control opacity (10-100%), rotation (-90° to +90°), and choose from 5 positions (center, top-left, top-right, bottom-left, bottom-right).

Does it work offline?

Yes, after the first visit.