Watermark PDF

Stamp text or an image over your PDF pages.

Click to select a file or drag and drop

PDF file

Your files never leave your device.

Preview

/ 1

Drag watermark to position

CONFIDENTIAL

Layout

Tiled repeats the watermark across the whole page.

Apply to all pages

Page Range

Use "all" or specify pages, e.g. 1-3, 5, 7-9

Text

Font Size

Color

Opacity: 0.3

Angle: -45°

Position

Flatten watermark

Bakes the watermark into page pixels, making it tamper-resistant. Text will no longer be selectable.

About Watermark PDF

Watermark PDF places text (for example “CONFIDENTIAL” or “COPY”) or an image on every page, with control over size, opacity, rotation and position.

How to use it

Select your PDF, or drag it onto the drop area.
Enter text or choose an image, then adjust opacity, angle and position.
Apply and download.

Your file stays on your device

This tool runs entirely in your browser. Your file is read from your device, processed in memory, and saved back to your device — it is never uploaded to QPDF or anyone else. Once this page has loaded, the tool also works with your internet connection switched off.

How QPDF keeps files private →

Good to know

A watermark discourages misuse but does not prevent copying. Use Password Protect PDF to restrict access.

Related tools

All tools →

Header & Footer Add text to the top and bottom of pages.

Add Stamps Place image stamps such as “Approved” or a logo.

Flatten PDF Make form fields and annotations permanent.