PDF Watermark Tool — Free Online Tool

Add custom text watermarks to all pages of your PDF for copyright protection. PDF Watermark Tool is a free online tool from the ToolsRift PDF Tools collection. It runs entirely in your browser — nothing to install, no signup, and your data never leaves your device.

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How to use PDF Watermark Tool

Open the PDF Watermark Tool above — it loads instantly, no account needed.
Enter or upload your input. Everything is processed locally on your device.
Get your result immediately and copy or download it with one click.

Frequently asked questions

Can I customize the watermark appearance?

Yes, you can set the text, font size, color, opacity, rotation angle, and position of the watermark.

Will the watermark appear on every page?

By default yes, but you can choose to apply watermarks to specific pages or page ranges only.

Can I add image watermarks?

This tool supports text watermarks. For image/logo watermarks, use the dedicated PDF Logo tool.

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