water Add Watermark to PDF Files

Yes, our online PDF Add Watermark tool is free to use forever, no registration, subscription, or software download required. We are committed to providing efficient and convenient document protection services.

We support two types of watermarks:

• Text Watermark: Customizable text content, font, size, color, transparency, and rotation angle.
• Image Watermark: Supports uploading PNG, JPG, and other image formats as watermarks, suitable for company logos, signatures, seals, etc.

No, adding a watermark only overlays a non-editable layer on the page and will not modify the original text content, layout structure, or font style. You can freely adjust the watermark's position, size, and opacity to meet your needs.

Your file security is our top priority. All uploaded PDF files will beimmediately deleted from the serverafter the operation is completed. We do not store or access any of your personal data and document content. The entire operation process is encrypted to ensure your privacy and security.

Yes, our online tool isfully compatible with various devices and operating systems. Whether you use a computer, phone, or tablet, as long as you have an internet connection, you can easily perform PDF watermark addition operations anytime, anywhere.

The current version supports adding the same watermark to all pages uniformly. If you need to set different watermarks for different pages, please split the PDF into multiple files and process them separately, or provide us with this feedback, and we will consider adding this function in future versions.

Currently, this tool supportsprocessing one PDF file at a timeto ensure the best operating experience and output quality. For batch processing needs, we are actively developing related functions, so please stay tuned for future updates!