添加水印到 PDF

为 PDF 文档的每一页添加文本水印。免费在线工具。

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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.

添加水印到 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

常见问题

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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