This is an area where MacOS, preview and quicktime shine. Except for converting pdf to word, most everything you might need is included. Especially, merging and

This is an area where MacOS, preview and quicktime shine. Except for converting pdf to word, most everything you might need is included. Especially, merging and unmerging pdf files. I never understood why MS doesn't provide similar tools. On windows, these functions aren't included and for whatever reason, searching the web for tools leads to shady websites and downloads.