All PDF tools

Watermark PDF

Stamp a text watermark on every page — adjustable opacity (Latin/numbers).

Select a PDF file
or drag & drop here

How to Watermark PDF online

  1. Select or drag your file(s) into the box above.
  2. Choose your options.
  3. Click "Add Watermark".
  4. Download your result — done!

Is it safe and free?

Yes. This tool is 100% free with no signup and no watermark. Your file is processed entirely in your browser using JavaScript — it is never uploaded to our server, so it stays completely private.

Other PDF tools