Video merger/joiner : Can merge two or more videos into a single video. This merger app supports options for merging videos and adding a background music.

Video splitter : Can split single video into many videos. This feature supports two type of splitting. by particular interval or by number of parts.

Audio replace/change : Can mute audio stream in the video or change the audio stream with new audio

The video showing in screenshot downloaded from High Rock Colors
by Dylan Hahn.

Any kind of suggestion are welcome,
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