Watermark's a private marking which can mark the ownership of manufacture, also can be recognized as an electronic chapter. Then how to watermark a PDF file? PDFelement can do that super-easily.
Watch the video:
[code]youtu.be/T3HaY_jGCmo[/code]
a. Convert/Export PDF files to other commonly used formats like Word/Excel/PowerPoint, etc.
b. Edit - Add, modify, or delete PDF text and change fonts.
c. Split PDF files into multiple documents