WinX Free AVI to MP4 Converter is a totally free video converting solution that helps you easily convert any AVI format videos to MP4 for smoothly playback on MP4 supported players and popular portable devices. This free AVI to MP4 converter also allows you to capture original video scenes to make JPEG, BMP pictures. With high quality video encoding engine, this free AVI to MP4 converter software provides you remarkable video/audio quality. And the straightforward interface simplifies your operation when converting AVI to MP4 files. Besides, there's no malware, adware, spyware or virus within WinX Free AVI to MP4 Converter, which is absolutely clean and safe to use.