How to Add Watermark to PDF Online — PDF Watermark Free
Adding a watermark to a PDF protects your documents and establishes ownership. Whether it's "CONFIDENTIAL" or your company name, watermarks deter unauthorized use.
Key Features: Custom text • Adjustable opacity • Position control • Page selection • 100% private • No registration required
How to watermark PDF
Step 1: Open the PDF Watermark tool
Go to the PDF Tools page and click on the "Watermark" tab.
Step 2: Upload your PDF
Drag and drop or click to upload your PDF file.
Step 3: Configure watermark
Enter your watermark text, adjust font size, color, opacity, and position.
Step 4: Apply and download
Click "Apply Watermark" and download the watermarked PDF.
Frequently asked questions
Can I customize the watermark?
Yes. You can customize text, font size, color, opacity, and position.
Related tools
- Merge PDF — Combine multiple PDFs
- Split PDF — Extract specific pages
- Compress PDF — Reduce PDF size
- Image Watermark — Watermark images