Converting and Processing Video Files with Transcode
Transcode is a handy tool for manipulating video files at the command line. With its modular architecture, the Transcode utility gives users much more than simple format conversion.
Transcode is a tool that converts files from one video format to another format. You can also use Transcode for other kinds of video file manipulation, such as resizing video frames. If you expect a video conversion tool to give you a pretty GUI, you may be in for a disappointment with Transcode. Transcode  is a command line only program with a several command line based controls. Like most non-GUI tools, Transcode’s big advantage is its flexibility, and its major weakness is usability.