Watermark
Add watermark to PDF online for free. Text or image watermarks.
Need documents marked as draft, confidential or with your logo? With PDF.dk you add a watermark to PDF for free — text or image, with adjustable position, size and transparency. The file is processed in the Nordics and deleted automatically when the job finishes.
Frequently Asked Questions
- Can I use my own logo as watermark?
- Yes, you can upload an image (PNG, JPG) as watermark.
- Can I adjust transparency?
- Yes, you can set transparency from 0% to 100%.
- How do I add a watermark to a PDF?
- Upload the PDF, type your watermark text or upload a logo, adjust position and transparency, and download the marked PDF.
- Can I put DRAFT or CONFIDENTIAL across every page?
- Yes, the text watermark is applied to all pages at once — for example diagonally across the page, as known from drafts and confidential documents.
- Can the watermark be removed again?
- The watermark becomes part of the page content in the downloaded file. Keep the original without a watermark if you need a clean version later.
- Is it free to add a watermark?
- Yes, PDF.dk adds watermarks online for free, no signup.
- Is it safe to upload my PDF?
- Yes. Files are handled on Nordic servers, uploads are encrypted, and everything is wiped automatically a short while later. Nothing is stored, nothing is shared.
How to
- Upload your PDF file
- Choose text or image watermark
- Adjust size, position and transparency
- Click "Add watermark" and download