What's MP4 joiner :
MP4 Joiner join multiple mp4 files into one, a joining tool for combining all popular MP4 movie formats into a single merged file.
Best way to join/merge/combine MP4(MPEG-4) file :
GiliSoft Video Editor — join/merge/combine MP4(MPEG-4) file.
1) Launch GiliSoft Video Editor
Once installed GiliSoft Video Editor, Launch GiliSoft Video Editor.
2) Click 'Joiner' button to start GiliSoft Video/Audio Joiner.
3) Load File
Click 'Add File(s)' button, Select "MP4 files(.mp4, .m4v)" in its "Files of type" combo box.
Add your MP4 file, GiliSoft Video Editor will preview your MP4 file directly.
4) Click 'Start' button to start to join your MP4 file.
GiliSoft Video Editor is a joining tool for combining all popular MP4 movie formats into a single merged file.