IconDeveloper is a program that makes it a snap to create your own icons for Windows. With only a few clicks, any image you find on the Internet or create in a paint program can be turned into an icon. A host of built-in features automatically will create different sizes and formats of an icon, saving you a great deal of work. It even can change the colors of entire sets of icons (i.e. change all those blue folders to yellow folders without touching the rest of the icon). IconDeveloper 1.3 adds support for Windows Vista icons.
Editor's review of IconDeveloper Icon creation made easy

For better or worse, creating icons can't get much simpler than with IconDeveloper. If you want to tinker with images or build them from scratch, look elsewhere. This simple utility imports existing images and converts them to icons, and that's about all.

The import process could hardly be easier. Just open a graphics file (the program supports most major formats), and IconDeveloper displays the image in a variety of dimensions. Choose as many as you like. The program converts the image and displays the result in a clean three-pane interface. IconDeveloper supports batch processing and can import images from the clipboard.

It's a lucky thing the program is so easy to use, since it lacks a step-by-step wizard, and the online help is dubious at best. However, anyone who knows enough to build icons in the first place will find it a sleek and useful utility.