Icon Fun, resizes and generates app icons for your iOS, watchOS and macOS apps, automatically and painlessly.
If you are an app developer, you may installed many apps on your devices for test propose, and these apps usually have no icon configured, so it end up with a lot of blank icons on your home screen. Icon Fun is made for you. All you need to do is type a few characters and pick a background color. You will get an "AppIcon.appiconset" file and you can move it into your Xcode projects asset catalog: No more blank icons on home screen!
You can also resize your custom icons using Icon Fun: design and make your app icons in high resolution (1024 pixels by 1024 pixels or higher), export and open them in Icon Fun, you get "AppIcon.appiconset" files with icons in all sizes required by Xcode.