In this case, only the PDF files in Finder would be able to show and apply this service, and other files like TXT files would not have this service listed in their option box. It is also ok to choose Workflow, but you need to open Automator every time you need to split a PDF file, while Service could be see and used in the option box after you right-click a file. The following are the steps to fulfill the need. Useful for Multiple Needs or Large Files: Use Automator to Split Pages Actually, Automator is a useful tool to help you with duplicate operations. As many other applications inside the same Others folder, it is powerful but not quite well known.
Other than doing it manually with Preview, or using additional software, there is a tool installed in Mac to help you with this problem, which is Automator. There are many cases that one need to split a multi-page PDF into single pages.
