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SwiftTools

PDF Watermark

Free PDF watermark tool. Add a text watermark (DRAFT, CONFIDENTIAL, etc.) to every page with color, size and angle control.

Watermarking runs locally in your browser. The PDF is never uploaded.

About PDF Watermark

Stamp a text watermark across every page of a PDF. Choose the text, size, opacity, angle and color - perfect for marking drafts, samples and internal documents.

How to use it

  1. 1Choose a PDF to watermark.
  2. 2Set the text, size, opacity, angle and color.
  3. 3Click Apply and download the watermarked file.

Examples

Confidential

Input
CONFIDENTIAL gray at 45 degrees
Result
watermarked on every page

DRAFT red

Input
DRAFT red at 0 degrees
Result
bold red stamp

Frequently asked questions

Does it cover the text?

The watermark sits on top with adjustable opacity.

Can I watermark only some pages?

The tool applies it to all pages for a consistent look.

Is the file uploaded?

No - everything happens locally.