Add Watermark to PDF
The fastest way to watermark your documents online.
Secure, private, and free.
1. Upload PDF
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Why Use Our Secure PDF Watermark Tool?
Protecting your intellectual property is essential in the digital age. Whether you are sharing a draft with a client or distributing confidential employee data, adding a visual stamp is the most effective way to prevent unauthorized use. Our tool allows you to **add a watermark to PDF** files instantly, without the privacy risks associated with cloud uploads.
1. 100% Secure & Private (No Uploads)
Most online PDF tools upload your sensitive documents to a remote server for processing. Our **PDF Watermark Adder** is different. It runs entirely in your web browser. Your files never leave your computer. This makes it the safest choice for legal documents and contracts.
2. Professional Control
Type your own text, rotate it to span the page, and adjust transparency so it stays readable while being fully protected.
Frequently Asked Questions
Is it safe to watermark confidential PDFs here?+
Yes, absolutely. Unlike other services, we do not upload your files to a server. All processing happens locally on your device.
How many pages can I watermark?+
Our tool currently applies the watermark to every single page of your document automatically.
Is this tool free to use?+
Yes, this tool is 100% free with no registration required and no watermarks of our own added to your files.