Make all PDF pages the same size on Mac
How to make all pages in a PDF file the same size using Preview Print on Mac?
Mac
Merge multiple PDF files on Mac
Three different ways to combine two or more PDF files, merge part of PDF files on Mac.
Convert images to PDF using the Quick Actions on Mac
Three different ways to convert and merge images to PDF using the Quick Actions in Finder on Mac.
Record screen videos on Mac
How to easily record screen videos without any third-party screen capture or recorders on Mac?
Record audio using Voice Memos on Mac
Use the stock Voice Memos app to record audio, sound on Mac Mojave or later.
Compress a PDF file on Mac
Reduce PDF file size using Preview on Mac.