Aiseesoft DVD to iPhone 4S Converter for Mac is the best Mac DVD to iPhone 4S Ripper software to rip all kinds of DVD discs to iPhone 4S H.264/MPEG-4, H.264, M4V MPEG-4, MOV, MPEG-4, H.264 HD video and AAC, AIFF, M4A, MP3, WAV audio formats on Mac. Also it owns powerful video editing features. It allows you to crop video frame, add video watermark, trim video length, even adjust the output video brightness, saturation, contrast, hue, and volume. Key Features 1. Modify video effect This Mac DVD to iPhone 4S Converter allows users to adjust output iPhone 4S video brightness, saturation, contrast, hue and volume. 2. Join videos together With this software, users can join different videos together and output a single iPhone 4S video. 3. Crop video frame and watermark video You can crop video frame and watermark video in the form of any text or image watermark. 4. Trim video length Users can cut off any DVD segment and convert it to iPhone 4S on Mac. 5. Choose output profile This DVD to iPhone 4S converting software allows users to define the output format for the iPhone 4S video. And users can adjust Video Encoder, Resolution, Frame Rate, Video Bitrate; and Audio Sample Rate, Channels, Audio Bitrate. 6. Audio track and subtitle This software will list all audio tracks and subtitles available on the DVD movie for users to choose. 7. Convenient operations The user-friendly interface of this DVD to iPhone 4S Converter for Mac can make all operations very simple. 8. Built-in player The Mac DVD to iPhone 4S Converter offers users a built-in player, which can help users preview the video effect. Also users can take a snapshot of the video frame while previewing.