If you would like to get your hands on a video converter that also offers some basic video editing features, then try MPEG Streamclip.
Other than Windows and Linux, Hand Brake works on the following Mac OS X versions. It makes use of the libavcodec and format library, which enables it to support a large number of conversion formats. hand Brake started as a mere DVD Ripper, however with the passage of time this open source application became a robust media converter that is frequently updated with many new presets and encoding options. It has version for Windows, Mac and Linux and provides a large number of encoding options and conversion formats. Hand Brake is perhaps one of the most famous cross-platform video converters.