Watermark PDF

Stamp every page with your own text — choose color, opacity, and angle.

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Select PDF file

or drop a PDF here

Set your watermark text and style, then apply to every page.

Pages
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File Size
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Your files never leave your device
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How to add a watermark to a PDF online

  1. Upload your PDF.
  2. Type your watermark text and pick a size, opacity, angle, and color.
  3. Click Apply Watermark and download the stamped PDF.

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Frequently asked questions

Can I add a watermark to every page at once?

Yes. The watermark text, color, opacity, and angle you set apply to every page of the PDF automatically.

Can I control how visible the watermark is?

Yes, use the opacity slider — low values create a subtle background stamp, higher values make it bold and obvious.

Is my PDF uploaded to a server?

No. Watermarking uses pdf-lib entirely inside your browser — your file never leaves your device.

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