If you want to download a streaming video from the Internet you have to learn how to convert mp4 to avi. The good news is you do not need to learn a new programming language but you need to find software that will let you convert an mp4 file to an avi file. These converters work with the majority of the Internet browsers out there you just need to test each of them on your home computer before you make any decisions on which one to use. After you have completed your initial review it should become clear to you which of these mp4 to avi converters is truly the best choice out there.