The Matroska Multimedia Container is an open standard free container format, which is intended to serve as a universal format for storing common multimedia content, like movies or TV shows. Matroska file types are .MKV for video (with subtitles and audio), .MKA for audio-only files and .MKS for subtitles only.

Whether you stored a collection of 1080p MKV files in your Mac hard disk or you just got several MKV video files, you probably have a few MKV files somewhere on your Mac. As an iPhone 4 owner, Brorsoft MKV to iPhone 4 Converter for Mac is a nice tool to help you to put these MKV files to these portable devices for the comforts of enjoying your favorite movies anytime and anywhere.

If you are eager to enjoy your preferred MKV movies on iPhone 4, just take a few minutes in following several steps shown below:

For the preparation of MKV to iPhone 4 conversion, download Brorsoft Mac MKV Converter, install and run it.

Step 1: Import MKV files into Brorsoft Mac MKV Converter.
Load MKV video file into this software by clicking the "Add" button on the top of the main interface. And a bunch of video files are allowed to be imported into this software for conversion, so if you would like to join several MKV video files into big one, what you do is just ticking the checkbox of "Merge into one file"

Step 2: Select output video format for iPhone 4 and choose the destination folder.
Click pull-list of "Format" and move your mouse to iPhone 4, now you will find two formats specified for iPhone 4, MPEG 4 and H.264. You can choose the right iPhone 4 format as you wish. For example, if you want to decode 1080p MKV files into iPhone 4 720p video, iPhone 4 h.264 is the right format I recommend.

Step 3: Start the conversion of MKV to iPhone 4.
Click the "Convert" button under the preview window to begin this conversion.

Once the conversion is completed, you can click the "Open" button to get the converted video file for playback on iPhone 4.

Tips:
1. If you want to get a video converter which supports for converting not only MKV but also other video formats, like AVI, MP4, FLV, MOV, MOD, TOD, MP3, AC3, FLAC and ect, Brorsoft Video Converter for Mac is the right choice. A little more penny wins much more video formats conversion.
2. Video formats supported by iPhone 4:
H.264 video up to 720p, 30 frames per second, Main Profile level 3.1 with AAC-LC audio up to 160 Kbps, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats;
MPEG-4 video, up to 2.5 Mbps, 640 by 480 pixels, 30 frames per second, Simple Profile with AAC-LC audio up to 160 Kbps per channel, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats;
Motion JPEG (M-JPEG) up to 35 Mbps, 1280 by 720 pixels, 30 frames per second, audio in ulaw, PCM stereo audio in .avi file format.