Watermark PDF
Add custom text watermark stamps with opacity, rotation, and custom fonts to your PDF.
Advertisement
Ad Space (horizontal)
Upload PDF to Add Watermark
Protect documents with diagonal or horizontal stamp text
How to Use Watermark PDF
1
Upload PDF
Select the PDF file you wish to protect with a watermark.
2
Customize watermark
Enter text (e.g., CONFIDENTIAL, DRAFT), adjust opacity, color, angle, and size.
3
Apply & Download
Download your newly watermarked PDF document.
Key Benefits
- Custom opacity slider to prevent obscuring underlying text
- Preset watermark texts (CONFIDENTIAL, DRAFT, COPY, APPROVED)
- Client-side vector text rendering
Browser & Hardware Notes
- Image-based watermarks are planned for a future update; currently supports rich text watermarks.
Advertisement
Ad Space (horizontal)
Related Tools
View all PDF Tools →Frequently Asked Questions about Watermark PDF
The watermark is embedded directly into the content stream of the PDF pages.