Document Tools
Add Watermark to PDF
Add a diagonal text watermark, like "DRAFT" or "CONFIDENTIAL", across every page of a PDF — processed entirely on your device.
Add a PDF to watermark
Click to browse, or drag and drop
How to use this tool
- 1Add a PDF file.
- 2Enter the watermark text.
- 3Download the watermarked PDF.
Frequently asked questions
Can I control the watermark's opacity or position?+
The watermark is applied diagonally across the page at a fixed, semi-transparent opacity designed to stay readable through it — custom positioning isn't currently supported.