Operating systems like Windows, Mac OS, iOS, Android, and Linux use different icon sizes. Choosing the right icon size and format is always necessary. As for websites, there are no standard icon sizes but the website graphic designer chooses the size. Scroll the page down for detailed information about icon sizes.
Icon Sizes for Windows
16×16, 24×24, 32×32, 48×48, 256×256px
Icon Sizes for Windows 8 Metro Design
26×26, 30×30, 50×50, 150×150px
Icon Sizes for Mac OS
16×16, 32×32, 64×64, 128×128, 256×256, 512×512, 1024×1024px
Icon Sizes for Linux
16×16, 24×24, 48×48, 96×96px
Icon Sizes for iOS 6
29×29, 50×50, 57×57, 58×58, 72×72, 100×100, 114×114, 144×144, 1024×1024px
Icon Sizes for iOS 7
29×29, 40×40, 58×58, 60×60, 76×76, 80×80, 120×120, 152×152, 1024×1024px
Icon Sizes for Android
36×36, 48×48, 72×72, 96×96, 512×512px
Icon Sizes for Windows Phone
62×62, 99×99, 173×173, 200×200px
