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Add Watermark files

Stamp custom text or image watermarks with adjustable opacity, angle, and position.

or drop PDF here
100% In-Browser & Zero-Upload Privacy
Instant High-Performance Processing
Max 100 MB • Free Forever
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How to Add Watermark Online for Free

Follow these quick, easy steps to process your files securely inside your web browser.

Step 1

Upload PDF

Select the file you need watermarked.

Step 2

Enter Text or Image

Type your watermark text or upload a transparent PNG logo.

Step 3

Adjust Styling

Set opacity (e.g. 30%), rotation angle (45°), and font size.

Step 4

Apply & Download

Click "Add Watermark" to export your branded document.

Why Use BizAiPro Add Watermark?

Text watermarks with customizable font, color, opacity, and rotation
Logo/Image watermark stamping (PNG, JPG) with transparency support
Place over content or behind content as background watermark
Selective page range application

Frequently Asked Questions about Add Watermark

Can the watermark be easily removed by others?

The watermark is embedded directly into the page content stream, not just a floating web overlay.

Are my files and documents uploaded to any server?

No. BizAiPro processes your documents 100% locally in your web browser using client-side WebAssembly and modern JavaScript. Your files never leave your computer.