Many of us often have a need to change format a video or extract the audio from it, assuming the case of downloading videos from You Tube and what is commonly done is resorting to Warez (pirated software) for not knowing the free alternatives.
To avoid this and have higher productivity, we have to Format Factory, an excellent free software for Windows, available in Spanish that converts practically everything related to video, audio, image, etc. (multimedia). When we say 'everything' we are not exaggerating, it is that it actually supports various formats.
Format Factory has an intuitive interface, in addition to having 4 Office 2007-type skins if you want to modify the appearance, to start a conversion or task you must choose between the categories of: video, audio, image, ROM-DVD-CD device -ISO, advanced and there select the desired format.
Something else to highlight is that the conversion time is very fast compared to other paid programs. Its installer file is currently 23.7 MB in size, lightweight and worth considering the remarkable functions it performs.
[LINKS]: Official site | Download FormatFactory