Add Watermark to PDF

Stamp a diagonal watermark — like “CONFIDENTIAL” or “DRAFT” — across every page of a PDF.

Select File or drag & drop it here

🔒 This file is processed on your device. Nothing is uploaded to any server.

How to add a watermark to a PDF

  1. Select your PDF file.
  2. Type the watermark text and choose how strong it should look.
  3. Download the watermarked PDF.

Frequently asked questions

Can I control how visible the watermark is?

Yes — choose Light, Medium or Dark before adding it.

Can I use my own logo as a watermark instead of text?

Not yet — this tool currently adds text watermarks only.