Add Watermark to PDF

Add customisable text watermarks to your PDF — free, fast, and private

🔒 Your files never leave your device. All processing happens locally in your browser.
💧

Drop your PDF here or click to upload

Select a PDF to add a watermark to

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How to Add a Watermark to a PDF

  1. Upload your PDF file
  2. Enter your watermark text (e.g. "CONFIDENTIAL", "DRAFT")
  3. Customise font size, opacity, angle, and colour
  4. Click "Add Watermark" and download the result

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Frequently Asked Questions

What text can I use as a watermark?

You can use any text as a watermark — common examples include "CONFIDENTIAL", "DRAFT", "SAMPLE", "DO NOT COPY", or your company name.

Can I control how visible the watermark is?

Yes. Use the opacity slider to control transparency. Lower values (5-20%) create subtle watermarks, while higher values (50-80%) create more prominent ones.

Are my files uploaded to a server?

No. All processing happens entirely in your browser. Your PDF files never leave your device.

Can I remove the watermark after adding it?

Watermarks added by this tool are embedded as permanent text. To remove them, use the original unwatermarked file. Always keep a backup.