Just drag your high-resolution artwork (preferably, a PNG file at 1024x1024) into the app's window, choose the target platforms, select a directory for exporting the results, and you're set.
The currently supported formats are iOS, macOS, and watchOS.

This simple tool can help you to quickly fill all the "buckets" in the AppIcon entry of your asset catalog instead of working by hand with each icon size for best visual results in terms of detail, pixel alignment, etc.

== How to use ==
1. Drag'n'drop or click on the image area to open an image
2. Select platforms to export Icon Set - iOS, macOS, watchOS
3. Save as an Icon Set
3. Import into XCode

== Notes ==
This app requires access to user-selected files on your device.
The application only access files you manually put into it.