Avidemux-Free Video Editor & Encoder

Avidemux is a simple but effective application if you need a free way to encode and convert your videos.

                    Avidemux is a free video editor designed for simple cutting, filtering and encoding.Its very flexible, supporting AVI, DVD compatible MPEG files, MP4 and ASF files using a variety of codecs. This means there is no messing around converting it to DV format before you can edit it in a third party editing application. Tasks can be automated using projects, job queues and powerful scripting capabilities.
     Avidemux is completely open source and works across platforms, so it's ideal for those that are working on both Macs and PCs.
So try with this.Avidemux Download