Add a watermark to a PDF

Mark a document as CONFIDENTIAL, DRAFT or COPY before you share it. Type your text, pick a size and how see-through it should be, and the watermark is added across every page.

10 of 10 free online tasks left this hour · How your files stay private

  • Files never leave your device
  • Free, no sign-up
  • No watermark added
Why use it

Why use this free Watermark PDF tool

Your own text

Any word or short phrase, like CONFIDENTIAL or your company name.

Live preview

See how it will look before you apply it.

Every page

The watermark goes on every page, centred and angled.

Private

Done on your device. Nothing is uploaded.

How it works

How to watermark PDF in 3 steps

  1. 1

    Choose your PDF

  2. 2

    Type your watermark and set the look

  3. 3

    Download the watermarked PDF

FAQ

Watermark PDF: common questions

Your file is never uploaded. The tool runs inside your browser, so the file is read and changed on your own device. Nobody else, including us, can see it.

Yes. Use the see-through slider and pick a small, medium or large size.

Yes. The watermark is placed upright on each page as you see it.

Yes. It works in any modern browser on Windows, Mac, Linux, Android, iPhone and iPad. Nothing to install.

Yes. There is no sign-up, no watermark and no trial. You can run 10 tasks an hour online. For unlimited use, get the free desktop app for Windows or Mac.

Desktop app

Need more than 10 tasks an hour?

The free YourOfficeSuite app for Windows and Mac has all 15 PDF tools with no limits, including Edit & annotate, Office to PDF and PDF to Word. It also has full Word, Excel and PowerPoint editors.