PDF 加水印

Add a text or image watermark across your PDF pages — e.g. "DRAFT" or "CONFIDENTIAL" or your logo. Adjust position, opacity, and angle. All processing happens in your browser so your documents stay private.

免费 · 无限制 · 浏览器内处理

如何使用

  1. 1Upload your PDF.
  2. 2Enter watermark text or upload a logo image.
  3. 3Set opacity, angle, and position.
  4. 4Apply and download the watermarked PDF.

常见问题

Can I watermark all pages at once?
Yes. The watermark is applied to every page in the document.

PDF 工具: 合并、拆分、压缩和处理 PDF 文件。

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