Generate App Icons of various sizes for iOS and Android online:
1. Icon Factory, Chinese page (with advertisements)
https://icon.wuruihong.com/#/android
Icon Factory 
https://icon.wuruihong.com/#/android 2. App Icon Generator, English interface
https://appicon.co/#app-iconApp Icon GeneratorGenerate icons and images for mobile apps, android and iOS. No need to upload or download. Works on your browserhttps://appicon.co/#app-icon