Why to convert M2TS files to MKV format
MKV, the abbreviation of Matroska Video format, has become more and more popular since it has the video resolution of 1920*1080, 1920*1280, 1440*1080 and, 1280*720 with contain multiple audio and subtitle tracks in the same file.
There are two kind of basic M2TS files, one is 720p, 1080i, 1080p recording footages from AVCHD Camcorder with large size, the other one is the high-definition Blu-ray BDAV format that has several audio tracks and subtitles and 1080p video included.
So if you want to store the AVCHD mts/m2ts recordings with smaller size and perfect video/audio quality, or wanna backup the Blu-ray movie (*m2ts) with subtitles and audio tracks included, converting M2TS to MKV is a good choice. For Mac users, here is the trustworthy M2TS to MKV Converter for Mac software.
Brief info of M2TS to MKV Converter for Mac
As a full-featured M2TS Converter, Mac M2TS to MKV Converter is capable of converting any M2TS files to MKV (Matroska) video, AVI, MOV, MPEG, MP4, H.264/MPEG-4, WMV, FLV and more HD/SD files with superfast speed and perfect video/audio synchronization. And you can keep the original audio tracks/subtitles or just select your desired one.
In addition, M2TS to MKV Mac program enables users to edit input AVCHD MTS/M2TS powerfully, it can Trim video duration by setting start/end time, join videos together, Crop video playing area, set Effect like Deinterlace, Saturation, Contrast, Brightness, apply image/video Watermark and replace the audio tracks, etc.
Just free download and have a try this wonderful M2TS to MKV Converting software for Mac, you'll love it.
$29.00 
For Windows For Mac
How to convert M2TS to MKV on Mac Lion
1): Import M2TS files: Launch the Mac MTS/M2TS to MKV Converter software, Click "Add files" icon to select the .m2ts source file from cam HDD or BDAV folder.
2): Output Settings:
* Click the 'Format' bar to choose the needed output format. Here you can locate "Common Video" >> "MKV (Matroska) video (*.mkv)" or select "HD Video" >> "MKV HD Video (*.mkv)" .
* Click "Settings" button to customize the parameters like video resolution, bitrate, frame rate. Certainly, you can keep the default settings for the selected MKV format.
3): Edit input M2TS files (Optional)- click 
option to perfect your MKV files.
4): Convert M2TS to MKV Mac- After all the settings done, click 'Convert' button to activate the conversion. After the process, just click "Open" to check the converted files.
