A watermark is a semi-transparent image that usually contains a logo or seal to identify who created a document or image. If you want to watermark a PDF file, you can either insert the watermark ...

How to Create and Apply a Watermark to PDF Documents. Adding a watermark to a company-related document helps ensure confidentiality or prohibit others from stealing the material. In addition to ...

Quickly and easily create a watermark to add to your photographs using Aperture, Photoshop, and these simple steps. Watermarks can help to protect your images from being used after they are posted ...