How to Watermark a PDF — Brand & Protect Your Documents
Learn how to add text watermarks to PDF pages. Mark documents as confidential, add branding, or protect intellectual property.
What You Need
- A PDF file you want to watermark
- The text you want as your watermark (e.g., "CONFIDENTIAL", your company name)
Step-by-Step: Watermark a PDF
Step 1: Open the Watermark Tool
Go to the Watermark PDF tool. All processing happens in your browser.
Step 2: Upload Your PDF
Drag and drop the PDF file you want to watermark.
Step 3: Customize Your Watermark
- Text — Enter your watermark text (up to 100 characters)
- Font size — Adjust between 12px and 120px
- Opacity — Make it subtle (10-20%) or prominent (50-100%)
- Position — Diagonal or horizontal placement
Step 4: Apply and Download
Click Add Watermark to apply it to every page and download the result.
Common Watermark Uses
- "CONFIDENTIAL" — Mark sensitive documents
- "DRAFT" — Indicate work-in-progress versions
- Company name — Brand documents for distribution
- "DO NOT COPY" — Protect intellectual property
Related Tools
- Watermark PDF — Add text watermarks
- Protect PDF — Add password security
- Add Page Numbers — Number your pages