How to cut mp4 video?

Why do we need an easy-to-use mp4 video cutter software?
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It is an important job to convert the formats of videos and audios. Mp4 is quite a widely-used video format, into or from which we need to convert the video or audio files. So we call for an easy-to-usemp4 cutter to fulfill our demands of mp4 video cutter and joiner and format conversion.