WonderFox Free HD Video Converter Factory is an application dedicated to video & audio conversions on Windows. One of the highlights making this MP4 to H.264 converter different from the counterparts is its smart fitting options, which enables users to convert MP4 files to H.264 with high quality at a few clicks away. Even if it is the first time you handle the conversion, you can finish it in your elements. On top of that, Free HD Video Converter Factory is an advanced converter that comes with flexible settings and features. You can further adjust more parameters and try additional features. Here is how to convert MP4 files to H.264 in this video converter. Download the software and follow the tutorial below.