WinX Free MP4 to AVI Converter is a perfect free MP4 to AVI converter that converts MP4 to AVI for free. Besides free converting MP4 to AVI, this high-quality MP4 to AVI conversion freeware also enables user to extract images from AVI video to PNG. What's more, this free MP4 to AVI video converter let users control all the audio and video parameters to customize the video audio effects. Hyper-threading technology and High Quality Engine supported, this free MP4 to AVI converter provides fast speed and high quality in converting MP4 to AVI. Furthermore, users are enabled to convert more than two videos at a time or convert any video segment. WinX Free MP4 to AVI Converter is 100% free and clean. Key Features: Clean and Free Video Converter: WinX Free MP4 to AVI Converter can help user free convert MP4 to AVI with high quality and fast speed. Support taking images from stream MP4 video to save as PNG. It is 100% clean and free without spyware, malware, adware or virus. Fast Converting Speed & High Quality: Own to its High Quality Engine, this free MP4 to AVI converter offers quite good audio and video quality. Hyper-threading technology supported, this free MP4 to AVI converter offers 300%-500% real time converting speed. Batch and single conversion supported to allow user convert more than two videos and video segments. Flexible Parameters Setting: Users could fully control the audio and video parameters according to their needs. Audio Setting - users could set audio format, audio quality, audio sample rate and volume for desired audio effect. Video Setting - users could customize video formats, video frame rate and video resolution to get ideal video quality.