iDev Icon Collection is an extensive icon library designed for Windows users, featuring 16,000 high-quality icons organized into 24 distinct categories. These categories include animals, computers, cartoon characters, food, music, movies, vehicles, and science fiction, among others. The icons are available in sizes ranging from 16x16 to 64x64 pixels, making them suitable for various personalization needs. Each icon is part of a series of ICL libraries, providing flexibility in usage with compatible software.

The collection is particularly useful for individuals looking to enhance the aesthetics of their files, folders, and start menu items. While the icons are not provided in ICO format, they can be accessed and managed using programs like Microangelo and Axialis IconWorkshop. Overall, iDev Icon Collection stands out as an excellent resource for users seeking a wide variety of icons for personal or professional use.