PDF Tool

Watermark PDF

Add repeating text or image watermarks to your PDF locally in the browser and keep your original document entirely on-device.

🔒 Your files never leave your device

Lifetime usage

Each browser gets 50 free lifetime uses of Watermark PDF. Upgrade for unlimited access.

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Private by design

Watermarks are added locally in your browser. No PDFs are uploaded.

50 of 50 lifetime uses left

Drop a PDF here

or click to browse your device

Watermark settings

Customize the text, style, placement, and target pages.

Text watermark

Use a short label like CONFIDENTIAL or DRAFT.

12 characters

Font size

Choose between 12 and 72 points.

36px

Opacity

Keep it subtle or make it bold.

0.30

Rotation

Tilt the watermark from -45° to 45°.

-30°

Color

Pick a custom shade or tap a preset.

#dc2626

Custom color

Style preview

CONFIDENTIAL

Position

center

Pages

All pages

Position

Choose where the watermark should sit on each page.

Apply to

Watermark every page or only a specific page range.

The watermark will be added to every page in the PDF.

Upload a PDF to generate a watermarked copy.