Avidemux is a free video editor. Once you get to the site avidemux.sourceforge.net you will see a description of the software, which is for free. Summarizing what the site says, Avidemux is a video editor designed to cut, filter and encode task supporting a variety of file types: MPEG, MP4, ASF, among others.

The left side of the screen of avidemux.sourceforge.net shows you the downloads entry to the section where you can get the software. There are versions for Linux, Windows, Mac, and so on.

Visit avidemux.sourceforge.net to get the program.