4Videosoft MKV Video Converter can Convert MKV to AVI, MPEG, MP4, etc for any portable players. Actually it can convert MKV, MPG, WMV, MP4, AVI to MP4, AVI, 3GP, FLV, Divx, MP3, M4A, WMA, OGG, etc and extract audio files MP3, MP2, M4A, WMA, WAV, OGG, RA, etc from MKV video. Key Functions 1.Convert MKV video to other video 4Videosoft MKV Video Converter can convert MKV, MPG, WMV, MP4, AVI formats to any other video and audio formats for all the players. 2.Convert video to audio 4Videosoft MKV Video Converter can also extract audio from video and convert them to AAC, AC3, AIFF, AMR, AU, FLAC, MP3, M4A, MP2, OGG, WAV, WMA audio formats. 3.Video Splitter 4Videosoft MKV Video Converter allows you to get any clips from your video sources. You can get it by set the exact time or just drag the slider bar. 4.Video Cropper 4Videosoft MKV Video Converter allows you to crop video and adjust the output aspect ratio to get the perfect playing effect. 5.Video Joiner Merge your selected video files into one file after conversion for you to enjoy successively. 6.Support preview and adjust video effect You can preview the original video and output video effect at the same time and adjust the video effects by modifying the video Contrast, Brightness, Saturation.