FormatFactory acts as a graphical front end to several underlying open-source tools and codecs, most notably:
While Format Factory is a popular tool, it has faced criticism regarding safety and installation practices. format factory wikipedia
Notable alternatives include HandBrake (open-source, cross-platform), FFmpeg (command-line), Freemake Video Converter, Any Video Converter, and VLC Media Player (which includes limited conversion features). FormatFactory acts as a graphical front end to