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 ...

Using PDFelement for Mac, you can add watermark, links, header, and footer in an enhanced way. The user interface is delightful to use, which makes it easier for non-technical individuals to operate.

If you are wondering how to annotate a PDF on Windows, you can use free online tools and software that we have included in this article.