Converting back and forth between different video formats is relatively is easy with GUIs but with command line tools it much streamlined and efficient, not to say it is highly programmable.
Obtain the full location of an ffmpeg build. For example, in windows it could be:
Background Video editing and format conversion has, up untill recently, been a subject of much domain knowledge. Open source tool ffmpeg is so versatile a toolbox that almost any media file can be tamed to our need.
I got chance to learn more of it’s feature of trimming and merging media files.