Add Watermark to PDF

Add a text watermark to your PDF pages. Upload your file, type your watermark, choose a color and opacity, and download the updated document instantly. All processing happens in your browser.

Drag and drop your PDF here

or click below to browse a file

Supports PDF files up to 100 MB.

Adding watermark to your PDF…

How to add a watermark to a PDF

  1. Upload a PDF. Drag and drop a file onto the upload area, or click Select PDF file. Files up to 100 MB are accepted.
  2. Customize the watermark. Type your text, pick a color, and adjust the opacity using the slider.
  3. Apply the watermark. Click Apply Watermark. The tool will add the watermark to every page.
  4. Download. Click Download watermarked PDF to save the result to your device.

Key features

Custom text

Type any text you want to use as a watermark, like "Draft" or "Confidential".

Color and opacity

Choose from any color and adjust the transparency to suit your document.

100% private

Your files are processed locally in your browser and are never uploaded to a server.

Standard output

The watermarked file is a standard PDF that works with any PDF reader.

Frequently asked questions

Is this PDF watermarker free?
Yes. The tool is completely free to use with no hidden limits.
Are my files uploaded to a server?
No. The PDF is read, modified, and generated locally using pdf-lib in your browser. Nothing is sent to a server.
Can I add an image watermark?
This tool currently supports text watermarks. For image watermarks, you might need specialized desktop software.
Does the watermark appear on all pages?
Yes, the tool applies the watermark to every page in the document.
Do you offer Cash on Delivery?
This is a digital tool, so Cash on Delivery does not apply. The tool is free to use online.

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Watermark added successfully.