How to Use the PDF Watermark Tool
-
1
Upload your PDF document.
-
2
Enter your watermark text (e.g., "CONFIDENTIAL", "SAMPLE", "DRAFT").
-
3
Adjust font size, rotation angle (e.g. 45° diagonal), opacity (10% to 90%), and color.
-
4
Select page range (All pages, or specific pages) and click "Apply Watermark & Download".
Practical Example & Use Case
Common Real-World Scenario
Stamping "CONFIDENTIAL - PROPERTY OF CLIENT" diagonally across legal review contracts before circulation.
Technical Notes & Limitations
Browser Engine Architecture
Watermarks are rendered as persistent vector text layers directly over the PDF page content.
Frequently Asked Questions
Does this modify my original PDF on my computer?
No, your original file remains untouched. A new watermarked copy is created for download.