WinX Free AVI to MP4 Converter is a free video converting software converts video files from AVI to MP4. This free AVI to MP4 converter offers fast converting speed and excellent video/audio quality in free converting videos from AVI to MP4. On the other hand, WinX Free AVI to MP4 Converter supports grabbing pictures from original video files to save as PNG pictures.
With high quality video encoding engine, this AVI to MP4 converter freeware 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.

Key Features:
Useful Converting Ability:
This free AVI to MP4 (iPhone) converter supports free converting any AVI videos to MP4 files which format is more widely used in video playing.
Take screenshots from source videos and save with PNG file extension.
100% clean and free without spyware, malware, adware or virus.
Customized Editing Features:
Splitting ? It's easy to split source AVI videos just by setting Start Time and End Time, or by dragging the slide bar under the window.
Audio Setting ? Before converting AVI to MP4, you can adjust Audio Format, Audio Sample Rate, Audio Channel to optimize the output audio effect.
Video Setting ? Video Format, Video Frame Rate and Video Resolution. are all open to change. Also you can choose video size / aspect ratio in Output Profile area.

Easy Fast and High Quality:
The one-click solution design saves you a lot of effort in converting AVI to MP4 through the intuitive interface.
Support not only single conversion, but also batch conversion, which accelerates the converting speed up to X5.
The in-built high quality video encoding engine ensures you the remarkable sound/image quality.