PDF Watermark
Add tiled diagonal text watermarks to each PDF page, supports Chinese, with customizable style. All processing happens locally in your browser, no file uploads, completely free.
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点击选择，或把 PDF 拖到这里
给每一页平铺文字水印 · 支持中文 · 全程本地处理，不上传服务器
FAQ
Supports Chinese watermarks?
Yes. The watermark text is rendered by the browser, supporting Chinese, English, and numbers.
Are files uploaded?
No. The watermarking process is entirely done locally in your browser, and your PDF is never uploaded to any server.
Can I add watermarks to encrypted PDFs?
You need to remove the password first. Use the "PDF Encrypt/Unlock" tool to unlock it before adding a watermark.
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