WinX HD Video Converter Deluxe includes HD video converter, video editor and online (YouTube) video downloader. It supports most of the main video formats and supports more than 370 audio codecs.
Convert between HD Videos and Regular Videos
Convert MKV to AVI, MKV to MP4, MPEG, WMV, MOV, 3GP
Canon JVC MOD video to AVI/MPEG, Sony M2TS/MTS to AVI/MP4
Convert to and from AVI, MP4, MPEG, WMV, MOV, FLV, 3GP, Google TV, WebM, Vpx8
Convert Videos for Playback on Various Media Players
Auto Fix Incorrect Data
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To get a Free copy you need to have a Facebook account and visit the Fan page here, you will have to like the page to see the key and other details
You can also participate on a contest to get full version to enjoy lifetime free upgrade, for this you will have to answer 4 questions.