Add Watermark to PDF Online — Free & Private

Add custom text watermarks to PDF documents for copyright protection, branding, or confidentiality marking.

100% Private & Secure

Full Customization

Control every aspect: text, size, color, opacity, rotation, and position

All Pages

Watermark is applied consistently across every page of your document

Adjustable Opacity

Make watermarks subtle or prominent while preserving document readability

Frequently Asked Questions

What types of watermarks can I add?

You can add text-based watermarks with customizable font size, color, opacity, rotation, and position. Images and logos are not currently supported.

Can I control the watermark transparency?

Yes, you can adjust the opacity from 10% to 100% to make the watermark more or less visible while maintaining document readability.

Will the watermark appear on all pages?

Yes, the watermark will be applied to all pages of your PDF document in the same position and style you configure.

Can I customize the watermark position?

You can choose from center, top, or bottom positions. The watermark will be consistently placed across all pages of your document.

What happens to the original PDF?

Your original PDF remains unchanged. We create a new watermarked version that you can download separately, preserving your original file.