When you look for ways to convert MP4 files, you can see many online converters and desktop software on the market. Among kinds of MP4 to 3GP video converters, WonderFox HD Video Converter Factory Pro stands out from others due to its simplicity, capability and safety. The software is designed to solve all video/audio conversion issues. It can help you convert MP4 to other formats including 3GP in the easiest way. The GPU acceleration enables to perform the conversion 50X faster. It also lets you edit the videos and compress large files to smaller sizes as you wish. Now, download the recommended converter and follow the specific steps below.