Key functions: 1.It enables you convert any popular video to iPhone 5 compatible video formats. And you can also use this software to extract audio from all video files to iPhone MP3, AAC, AIFF, M4A. 2.AnyMP4 iPhone 5 Video Converter can help you merge several video files into a single file, customize your output video by adding text or image watermark to it. You can also define the position and transparency of the watermark, so it is convenient for you to crop the video frame and adjust video aspect ratio with this iPhone 5 Video Converter. 3.AnyMP4 iPhone 5 Video Converter allows you to choose the audio track and subtitle for your output video.You can adjust Video Resolution, Encoder, Bitrate, Aspect Ratio, Frame Rate, as well as Audio Channels, Encoder, Bitrate and Sample Rate to perfect the video effect. 4. AnyMP4 iPhone 5 Video Converter enables you to preview the video effect, so that you can better optimize the output video.