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Add a watermark to PDF

Preview and place a text watermark across PDF pages locally, with font, colour, position, size, rotation, and opacity controls.

or drop one PDF here

Up to 50 MiB and 500 pages

Processing stays in this browser

Files remain in your browser No file upload No account required

How to add a watermark to pdf

  1. Select one readable PDF.
  2. Preview the pages and choose the available settings.
  3. Choose Add watermark, validate the result, and download it.

PDF watermark questions

Can I add a text watermark to every PDF page?

Yes. Enter your watermark text and apply it across the document.

Can I change the watermark appearance?

Yes. Preview its font, colour, position, size, rotation, and opacity before downloading.

Is my PDF uploaded?

No. The watermark is added locally in this browser.

Need a different browser task? Organize PDF pages.

About this tool

Place a text watermark across PDF pages

Watermark PDF previews and adds your chosen text to each page with controls for font, colour, position, rotation, size, and opacity.

Useful for

  • Mark drafts, samples, or confidential copies.
  • Add a consistent ownership or review label.
  • Choose a subtle or prominent visible treatment.

Good to know

  • This version adds text watermarks, not image logos.
  • A watermark is a visible notice and is not access protection.
  • Review readability on both light and dark page content.