Why use video converters? Obviously you want your videos in a different format than those created with your video camera.
Besides converting videos to another format, you can also use a video converter to make your video file size smaller, for the purpose of archiving them.
A third reason is to change video frame rates, so that videos from your smartphone can be easier to edit.
Watch the video below for the reasons, and also what I think could be possibly the 2 best free video converters available.