Watermark PDF

Drop a PDF

Add a watermark to every page

Stamp text across every page of a PDF — CONFIDENTIAL, DRAFT, your company name, anything — right in your browser. Choose tiled or single placement, set the size, opacity, angle and colour, and download the watermarked file. Nothing is uploaded.

A diagonal, semi-transparent stamp is the standard way to mark drafts and protect documents you share.

How to watermark a pdf

  1. Drop your PDF and type the watermark text.
  2. Pick tiled or single, then set size, angle, opacity and colour.
  3. Download the watermarked PDF.

Frequently asked questions

Can I add a diagonal CONFIDENTIAL stamp?

Yes — set the text to CONFIDENTIAL and use the angle slider for a classic diagonal stamp across every page.

Is the PDF uploaded to be watermarked?

No. The stamp is drawn on your device and the file never leaves your browser.

Can I control how see-through it is?

Yes, the opacity slider goes from a faint background mark to a bold overlay.

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