If you're looking to Download Icon Maker Professional on your Chromebook laptop Then read the following guideline.

This application allows you to create icon packs for iOS, Android, Apple watch ,MacOS, Windows (.ico file).  -iOS - MacOS hybrid application. You can use it on both iOS and MacOS. -Creates pictures in required resolution for google Play Store and Appstore. -For macOS- drag and drop directly on Xcode. -Gradient, image, color mask, text support -Incredibly small size.