I did needed a program to do some video editing, so today i did some
search on the internet and after trying 3-4 programs i do recommend
you use it too, the is : Avidemux is a free video editor designed for
simple cutting, filtering and encoding tasks. It supports many file
types, including AVI, DVD compatible MPEG files, MP4 and ASF, using
a variety of codecs.
yes, I have used avi demux and it is good