Add Watermark to PDF

Add text or image watermarks

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Accepted: .pdf · Files stay in your browser

Free · No signup · No watermarks · Files never leave your browser

How to use Add Watermark to PDF

  1. Upload your file using the drop zone above.
  2. Adjust any options for the add watermark to pdf task.
  3. Click Process and download your result instantly.

Why use PDFzelo Add Watermark to PDF?

Add text or image watermarks. PDFzelo processes everything locally in your browser — no uploads, no waiting rooms, no accounts. It works on Windows, Mac, Linux, Chromebook, Android and iPhone.

Frequently asked questions

Text or image?

Both. Add diagonal text like CONFIDENTIAL or overlay your logo on every page.

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