Now drag a non-jpg picture into that folder (a PNG, GIF etc).

Make sure there’s a check in the box labelled Enable Folder Actions and then exit out of the Folder Actions Setup panel.

Once you’ve selected it, click the Attach button. For this example we’ll go with Image – Duplicate as JPEG.scpt.

Now choose a script to attach to your folder.

When prompted, click the Run Service button.

Now right-click (ctrl-click) on that new folder and select Folder Action Setup…

For this example we’ll set up a Folder Action that automatically converts images to JPG format just by dropping them into a folder (this particular Folder Action is included with macOS).

When new files are placed in a certain folder (like your Desktop or Download folder) they’re moved based on file type.

When an image is placed in a folder macOS automatically sets that image as your Desktop wallpaper.

You’re notified when new files are placed in a certain folder.When you close a Finder window, all the sub-folder windows close as well.When you put files in a certain folder, they’re automatically uploaded to a web server.

When you put images in a certain folder, they’re automatically converted to JPG or PNG.Once you start using them you quickly realize how helpful and time-saving they can be. A number of Folder Actions are included with macOS, but more importantly – you can build your own and even download Folder Actions created by others in the Apple community. They enable events to take place when items are added or removed from that folder, or when the folder is opened, closed or moved.

In a nutshell, Folder Actions are scripts that can be attached to folders.

This guide will explain what Folder Actions for macOS are, how to set them up, and provide help for you to create your own Folder Actions.

Create folder macos