MP4 Video Cutter And Joiner is a simple tool for editing mp4 files.

Merge mp4 video : Join two or more mp4 files. Time taken to merge mp4 files is dependent on file size, and number of files.
Please Note : This app can merge videos with different codecs, sizes, frame rate or aspect ratios.

Cut mp4 video : Cut any Mp4 Video at desired start and stop positions. (Note Minimum video length is two seconds).

Mute mp4 video : Remove sound from any mp4 video.

Mux mp4 video : Mix MP4 videos with audio (mp3, m4a supported.)

Feel free to contact me for support.