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Watermark PDF

Stamp text such as CONFIDENTIAL or DRAFT across every page.

Your PDF is processed right in your browser - it isn't uploaded to NyxPrism.

How it works

  1. 1
    Choose your PDF.
  2. 2
    Type your watermark and adjust size, angle and opacity.
  3. 3
    Download the watermarked PDF.

What you get

Questions

Is Watermark PDF free?

Yes. Create a free NyxPrism account and use it as often as you like.

Are my files uploaded?

Your PDF is processed right in your browser - it isn't uploaded to NyxPrism.

Does it work on Mac, Windows and phones?

Yes. NyxPrism runs in any modern browser, and you can install it as an app on your computer.

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