How to join, split and create mp4, mov and 3gp files

A long timer reader asked in the forum if I knew of a program that would be able to join mp4 files. I was not able to give the answer immediately but after a short research I found a program called Yamb which is able to join, split and create mp4, mov and 3gp files. You do need the mpeg 4 converter mp4 box because Yamb uses it for the conversions.  Yamb is mainly a gui for mp4 box, the hardcore users could simply use the command line to work with mp4 box, all others should better use Yamb.You

need to add the path to mp4 box in the settings before you proceed to use some of the options that yamb offers. You may choose the creation or edition tab to use Yamb afterwards. The creation tab lets you create mp4 and 3gp files by adding other movie files such as divx ones. Created files can be further customized by splitting the output files for instance.

More important is the edition tab which lets you split and join mp4, mov and 3gp file and convert subtitles to the right format. Joining mp4 files is as easy as splitting them. Drop the files that you want to join in the correct order into yamb and select the output file. Please note that the output file has to exist, otherwise Yamb will abort the process.

Just create a blank file with the mp4 extension and everything should work out fine. Joining mp4 files is a fast process, it took Yamb 13 seconds to join two 60 megabyte mp4 files together.