Home  /  Watermark PDF

Add Watermark to PDF — Free

Mark drafts, protect confidential files, or brand client documents with PdfWord's free Watermark tool — your text stamped diagonally across every page.

Unlike most online converters, PdfWord processes your files entirely in your browser — nothing is ever uploaded to a server. There are no accounts, no daily limits, no watermarks, and every tool is free forever.

Use the Watermark PDF Tool — Free →

How to watermark a PDF

  1. Open the Watermark PDF tool
  2. Type your watermark text
  3. Upload your PDF
  4. Click Add Watermark and download

Frequently asked questions

Can I use my brand name?

Yes — any text up to 40 characters works as a watermark.

Will it hide my content?

No — the watermark is light and semi-transparent.

Try Watermark PDF Now — Free →