PDF watermark

Add a text watermark to every page.

🔒 This file is processed in your browser. It is never uploaded anywhere.

How it works

  1. Upload the PDF you want to watermark.
  2. Type the text you want to appear, e.g. "CONFIDENTIAL" or "DRAFT".
  3. Click "Process" and download the PDF with the text overlaid diagonally on every page.

Frequently asked questions

Can I use an image or logo instead of text?

Right now this tool only supports text watermarks.

Does the watermark make the document hard to read?

It's applied with transparency so the original text underneath remains perfectly readable.

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