Developing a software is a serious task. It requires some thought, skill, and, of course, a bright set of icons to be used for buttons, toolbars etc. And that's the part we can help you with. Download our 16x16 Free Toolbar Icons set and see it improve your work instantly. Icon images are provided in 16x16 pixel size only. There are two color schemes available, 256 and 16.7 million colors. The file formats are PNG, BMP, GIF and ICO.