WinX HD Video Converter for Mac, as a professional Mac HD converter, supports converting Multi-track HD video M2TS, MKV, AVCHD, HDTV BDAV and MPEG-TS video movies. It can also convert video files to the video formats that playable on both portable and console players, such as iPad, iPod, iPhone, Apple TV, PS3, PSP, Xbox, Zune, PDA, Blackberry, Nokia, Android, Zen, etc. It is the best solution to convert HD & SD videos and make a backup for Mac users.
Refgular licence price is $40. But until end of june, you can get a full version for free:

Download this program and register with this License Code: WINXMC-2010-3721-GIVEAWAY.

Free HD Video Converter for Mac ? Time-limited Giveaway