01 / iOS
iPhone and iPad
1024 for the App Store and the common home screen, Spotlight and Settings sizes from 180 down to 20.
Free tool
Drop one square picture, ideally 1024 by 1024, and get the common app icon sizes for iPhone and iPad, Android launcher icons from mdpi to xxxhdpi plus the 512 store icon, macOS app icons from 16 to 1024, and web app icons with a manifest snippet, sorted into folders in one ZIP. Add padding, fill see-through parts with a colour, and preview how it looks on each platform. Nothing is uploaded.
Platforms
Leave the corners square: iOS, Android and macOS round them for you. Xcode can also use just the 1024 icon.
Icons are made in your browser. Your picture is never uploaded.
One picture in
01 / iOS
1024 for the App Store and the common home screen, Spotlight and Settings sizes from 180 down to 20.
02 / Android
mdpi 48, hdpi 72, xhdpi 96, xxhdpi 144 and xxxhdpi 192 in mipmap folders, plus 512 for the store.
03 / Web
16, 32, the 180 Apple touch icon, 192 and 512 with a manifest snippet.
Questions
Start from 1024 x 1024. Smaller sizes are made from it.
No. iOS, Android and macOS apply their own shape, so give them a square.
App Store icons should not have see-through parts; keep Fill see-through parts on.
This makes the classic launcher icons. Adaptive icons need a separate foreground and background, made in Android Studio.
No.