Add Watermark to PDF — Free Online Tool | OmniPDFSuite

Add text or image watermarks to PDF documents. Customize font, color, opacity, size, and position. Protect your intellectual property and brand documents.

How to Use Add Watermark to PDF

1. Step 1: Upload the PDF document
2. Step 2: Choose text or image watermark type
3. Step 3: Customize appearance (font, color, opacity, position)
4. Step 4: Apply and download the watermarked PDF

Key Benefits & Features

• Text and image watermarks
• Custom opacity and rotation
• Page range selection
• Multiple watermark styles
• Professional branding

Frequently Asked Questions

Can I add an image watermark like a logo?

Yes, upload any image (PNG, JPG) as a watermark. You can adjust size, opacity, and position.

Can I add watermarks to specific pages only?

Yes, select which pages receive the watermark — all pages, odd/even, or specific page ranges.

What about diagonal text watermarks?

You can rotate text watermarks to any angle, including the classic 45-degree diagonal "CONFIDENTIAL" style.

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