An ICO file is a Windows Icon Image format used for storing icons for Windows programs, files and folders. It contains two bitmaps: the AND bitmap, a mask that determines which part is transparant and which isn’t, and the XOR bitmap with is mapped onto the image mask. A common use of an ICO file is the favicon.ico that is used to store the logo of a website next to the address bar in a webbrowser. An ICO file is similar to a CUR file, but is different in a way that it contains different identification bytes in the header.
Mime type: image/ico, image/x-icon, application/ico, application/x-ico, application/x-win-bitmap, image/x-win-bitmap, application/octet-stream
