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 ...

Download and install A-PDF Watermark (link in Resources). As of May 2012, the software costs $35. To test the program, install the free trial version.

Add a Drawing as a Watermark to Your Image Using Photos . Windows 11’s built-in Photos app allows you to draw on your images, letting you add drawing-based watermarks to your images.

Include unique identifiers like date and organization name in watermarks to deter misuse. Eventually, you'll have to share ...

It is a complete PDF suite that lets you edit PDF files, merge PDF files, add watermark to the PDF files, compress PDF files, unlock PDF files, etc., in addition to annotating a PDF file.