Drag/Drop or select an app icon image (1024x1024) to generate different app icon sizes for iOS and Mac.
For best results ensure the icon image has a resolution of (1024 x 1024)
iOS apps need to provide the app icon in varios formats to support various devices.
This online tool will generate all the files needed, based on a given uploaded image.
You can then simply copy/paste the files to your appicon location ovewriting any existing files.
Icon Types to Generate