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PRO WATERMARK STUDIO
100% SECURE & LOCAL

Add Watermark to Images & PDF Documents Online

Welcome to the OriginalPDF Pro Watermark Studio. Protecting your intellectual property, personal photographs, and confidential PDF documents is extremely important. Our advanced utility allows you to instantly stamp text, logos, or signatures across your files to prevent unauthorized copying and sharing.

100% Secure Client-Side Processing

Your document security is our utmost priority. Unlike other online watermark tools that upload your sensitive files to their cloud servers, our application utilizes modern HTML5 Canvas and PDF.js technology. The entire watermarking process happens locally inside your computer or mobile browser. Your files never leave your device.

Core Features & Capabilities

Frequently Asked Questions (FAQs)

1. Is this Watermark Maker completely free?

Yes, absolutely. The OriginalPDF Watermark Studio is 100% free to use. There are no hidden charges, daily limits, or forced promotional stamps added to your files.

2. Do you save the photos or PDFs I upload?

No. We operate on a strict Zero-Data policy. The file processing happens securely inside your browser's local memory. We do not have servers that store or view your files.

3. Can I watermark a multi-page PDF document?

Yes! Simply upload your PDF file, design your watermark on the live preview (which shows page 1), and click Generate. The tool will apply that exact watermark to every page in the PDF.

4. What image formats are supported?

You can upload and watermark standard image formats including JPG, JPEG, PNG, and WEBP files. The output will be a high-quality PNG image.

5. How do I make the watermark cover the entire image?

In the right sidebar under the 'Placement' section, click on the "Full VIP Pattern" button. This will tile your watermark repeatedly across the entire document. You can adjust the gap/spacing using the slider.

6. My logo watermark looks weird with a white box. Why?

For the best logo watermarking results, you must upload an image with a transparent background (a transparent PNG file). JPG files do not support transparency, which is why a white box appears.

7. Can I change the color of the text watermark?

Yes, under the "Text Mark" tab, you can click on the Color picker to select any custom color. You can also switch between a "Solid Fill" or "Outline Only" style.

8. Does this tool work on mobile phones?

Yes, the OriginalPDF interface is fully mobile-responsive. You can easily upload images from your phone gallery, design the watermark, and download the protected file directly to your smartphone.

9. How do I share the watermarked file directly?

After clicking "Generate & Download", a green "Share File" button will appear. On supported mobile devices, clicking this will open your phone's native sharing menu (WhatsApp, Email, etc.) with the file attached.

10. Do I need an active internet connection to use it?

You only need an internet connection to load the website initially. Once the page is loaded, the actual rendering and watermarking process functions completely offline in your browser.