WonderFox HD Video Converter Factory Pro is a professional H264 file converter. It can convert H264 file to AVI, MP4 and other formats/devices. Besides the H264 conversion, it also supports video/audio to 500+ formats and devices conversions. With the NVIDIA CUDA/NVENC & Intel QSV tech, WonderFox HD Video Converter Factory Pro allows you to convert H.264 to AVI and compress AVI at fastest speed with good quality.
Now download this H264 file converter here for preparation and the following part will show you how to convert H.264 files to AVI in details.