Tool guide

Add watermark

Add watermark helps you handle PDFs quickly in your browser. Stamp text or an image watermark across your pages. Use it when you need a protected or branded PDF without installing software or creating an account.

How to use it

  1. 1

    Upload your PDF or drag it into the tool.

  2. 2

    Add text or an image watermark and adjust placement with the settings you need.

  3. 3

    Download the finished file. Your result is a protected or branded PDF.

Common use cases

  • Mark drafts as confidential
  • Add a company name or logo
  • Protect previews before sharing

Questions about this tool

Is Add watermark free?

Yes. This tool is free to use in your browser.

Will the result keep good quality?

The tool is designed to preserve readability and produce a clean file with a protected or branded PDF.

Can I use Add watermark on mobile?

Yes. Uplou works in modern mobile and desktop browsers.

Privacy note

Add watermark is built for private, lightweight file work. When a task can run in the browser, your PDF stays on your device. When cloud processing is needed, files are handled securely and deleted automatically after processing.