How Do I Change The Format Of My Edited Video File's For Free So That I Can Upload It to A website?

I edited a few home movies into clips and then into one file and I cannot load the video to myspace...How Do I Change The Format Of My Edited Video File%26039;s For Free So That I Can Upload It to A website?
there are many free ones but i do not know what you need to convert to. so here is a site that lists many different ones for free hope this helps. www.brothersoft.com/video_tools_freeware?br>
i never tried anything from this site but it listed many converters for free so try them at your own risk...........

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