What is an ICNS file?
ICNS file extension is an icon file usually used to store icon image files. MacOS mostly use these icon image files for their application. The file stores one or more images, especially images which were initially PNG files. ICNS also supports both 1- and 8-bit alpha channels. It supports multiple image stages, including an icon of folders either in an opened or closed state. Each ICNS file is related to the corresponding application icon in the macOS and the macOS document. ICNS file format acts as a storage file. It stores the individual icon and resources of an application within the file containers. The operating system usually scales the icons contained within the ICNS file. It ensures that the icon is displayed correctly by adjusting it to a fitting size. ICNS files can support icon images with pixels between the range of 16×16 to 512×512. It can as well support 1024×1024 pixels as of macOS X 10.8 mountain lion.
How to Open ICNS Files
How to Make ICNS Files
Below are some software programs that can open ICNS files. Download one to open your file now.