How to use the Watermark PDF
- Upload your PDF
- Type the watermark text and style it
- Download the watermarked PDF
About this tool
Stamp a text watermark such as CONFIDENTIAL or DRAFT on every page of a PDF with your own opacity, size, color and angle. Watermark PDF is part of ToolNest's collection of free pdf tools. All processing happens locally in your browser, so your files stay private and nothing is uploaded.
Frequently asked questions
Is the Watermark PDF free to use?
Yes. Watermark PDF on ToolNest is completely free, with no sign-up, no watermark and no daily limits.
Are my files uploaded to a server?
No. Watermark PDF processes your files directly in your web browser on your own device. Your files are never uploaded, stored or seen by anyone, which makes it safe for private and confidential documents.
Is there a file size limit?
There is no fixed limit, but very large files depend on your device's memory and speed. Files up to a few hundred MB usually work well on a modern computer.
Does Watermark PDF work on mobile phones?
Yes. ToolNest works in any modern browser on Android, iPhone, iPad, Windows, Mac and Linux. There is nothing to install.