One of the little known tools available in macOS that can save you lots of time is Automator. This app allows you to create workflows, which you can use to — as its name suggests — automate certain tasks on your Mac.
If you’re familiar with AppleScript, you might want to think of Automator as being like AppleScript without the need to write any code. You don’t have to know any commands; Automator shows you which commands — or actions — are available, and you can drag and drop them to create routines. You can then run these routines in the Automator app, as services via a contextual menu, or in applets that you can save and run by double-clicking or by dragging and dropping files on them.
In this article, I’m going to introduce you to Automator, and I’m going to show you how to quickly and easily create two applets: one converts image files into a pre-determined format, and the other resizes images to a pre-determined size. Here’s how to start working with Automator.
Read the rest of the article on The Mac Security Blog.