Watermark PDF
Add a custom text watermark to every page of a PDF online free. Diagonal, semi-transparent watermarks for document protection. No signup required.
How it works
- 1
Upload your PDF
Upload the PDF you want to watermark.
- 2
Enter watermark text
Type the text you want to appear as a watermark (e.g. "CONFIDENTIAL", "DRAFT").
- 3
Apply watermark
Click Watermark to add the text to every page.
- 4
Download
Download the watermarked PDF. Files are deleted after 2 hours.
Frequently asked questions
Can I customize the watermark style?
The watermark is rendered diagonally across each page in a semi-transparent grey. Custom colors and positions are on our roadmap.
Is the watermark permanent?
Yes. The watermark is embedded in the PDF and cannot be removed without specialized tools.
Can I add an image watermark?
Currently only text watermarks are supported. Image watermarks are on our roadmap.
Does watermarking affect PDF quality?
No. The original content is preserved at full quality.