Add Watermark to PDF
Add text watermarks to your PDF documents. Customize text, size, and opacity. Free, private, and secure — files never leave your browser.
Custom Text
Add any text as your watermark - CONFIDENTIAL, DRAFT, or your own.
Adjustable
Control size and opacity for the perfect balance.
100% Private
Files processed in your browser. Nothing uploaded.
More PDF Tools
Frequently Asked Questions
Where is the watermark placed?
The watermark is placed in the center of each page, rotated diagonally for visibility while maintaining document readability.
Can I customize the watermark appearance?
Yes, you can customize the text, size, and opacity of your watermark to match your needs.
Is my PDF data secure?
Your files are processed entirely in your browser. They never leave your device or get uploaded to any server.
Is the watermark applied to all pages?
Yes, the watermark is automatically applied to every page in your PDF document.