No, the application is not capable of converting file formats. If you open the application page, you'll see that the main purpose of the application is to convert various units such as distance, weight, time, energy, flow, etc.
To find out more, access the following page: http://convert2.software.informer.com/
Unfortunately, Chromebooks don't have the capability of running EXE files unless you install WINE. You can use the tutorials on Google Search to learn how to run Windows apps on Chromebook.