Tipard iPhone 4S Video Converter for Mac is especially designed for Mac and iPhone 4S users. With this Mac converter, you can convert all video and audio formats such as AVI, MPEG, WMV, DivX, MP4, H.264/AVC, MOV, MP3, WMA, MP2, FLAC, APE, OGG, AAC, M4A, WAV and AC3 and even high-definition to iPhone 4S compatible formats. In addition, you can extract audio segments from video files and capture pictures from movies to save them as PNG, BMP, JPEG. Key functions: 1.Convert general formats to iPhone 4S With this Mac iPhone 4S video converter, you can convert such as MPG, MPEG, MPEG2, VOB, MP4, M4V, RM, RMVB, WMV, ASF, MKV, TS, MPV, 3GP,3G2, FLV, MPV, MOD, TOD, AVI, HD TS, HD MTS, HD M2TS, HD MPG, etc., to iPhone 4S MP4, MOV, H.264(.mp4) on Mac. 2.Extract audio from video You can extract audio files from all popular video formats into MP3, M4A, AAC, WAV, AIFF for your iPhone 4S. 3.Edit the display effect Tipard iPhone 4S Video Converter for Mac allows you to adjust video brightness, contrast ,saturation hue and volume to achieve customized video. 4.Crop the video There are four options for you to select perfect aspect ratio, including full screen, keep original, 16:9 and 4:3. Besides, you can move mouse cursor to adjust the frame until get the perfect effect. 5.Combine several videos into a single one With the merge function, you can merge several segments as a single one for better watch on your iPhone 4S During the process of previewing, you can also capture your favorite pictures and save them. 6.Convert one file to different formats Only by one click, you could convert one file to different formats simultaneously. 7.Audio track and subtitle This iPhone 4S Video Converter for Mac will list all audio tracks and subtitles for you to choose. 8.Video preview With this built-in player, you are allowed to preview output video effects and make sure that the perfect effet you need.