PDF WatermarkPDF 加水印
Add text watermarks to PDF files locally.在浏览器本地为 PDF 添加文字水印，适合资料标记和防止误传。
Your files are processed entirely in your browser. Nothing is uploaded to any server.所有文件均在浏览器本地处理，不会上传到服务器。
About this tool工具说明
Add text watermarks to PDF files locally. Works directly in your browser - no software to install, no account required, completely free.在浏览器本地为 PDF 添加文字水印，适合资料标记和防止误传。
FAQ常见问题
Can I watermark selected pages?
Yes. Use ranges such as 1,3,5-8 for custom pages.
Can I tile the watermark?
Yes. Choose the tiled position to repeat the text across each selected page.
Is the PDF uploaded?
No. The watermark is written locally in your browser.
可以只给部分页面加水印吗？
可以，使用 1,3,5-8 这样的范围选择自定义页面。
可以平铺水印吗？
可以，选择平铺位置即可在所选页面重复绘制文字。
PDF 会上传吗？
不会，水印写入在浏览器本地完成。
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