How to Convert MKV to AVI on Mac While Maintaining High Quality

I've recently captivated by my PSP and wanted to stream HD videos to it on my Mac. Yet PSP failed to recognize the file type because all the HD movies were .MKV files as opposed to .AVI etc, so I have to convert my MKV to AVI for playback on the game console. I mean a free program. Any tips? -Jessica No matter who you are, videos always bring the happiness to your life. It is a known fact that no...
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