加水印到 PDF

為 PDF 文件的每一頁新增文字浮水印。免費線上工具。

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Add text watermarks like Confidential, Draft, or Do Not Copy to PDF documents. Customize the text, font size, color, opacity, and angle. Essential for marking sensitive business documents and internal reviews.

加水印到 PDF — 使用方法

  1. 1 Upload your PDF file
  2. 2 Enter watermark text (e.g., Confidential, Draft)
  3. 3 Adjust font size, color, opacity, and rotation angle
  4. 4 Download your watermarked PDF

常見問題

Yes, you can change the text, font size, color, opacity (transparency), and rotation angle of the watermark.
Yes, the watermark is applied consistently across every page of the PDF document.
The watermark is embedded into the PDF. To get an unwatermarked version, you would need to process the original file again.

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