WinFF is a GUI for the command line video converter, FFMPEG. It will convert most any video file that FFmpeg will convert.

WinFF does multiple files in multiple formats at one time. You can for example convert mpeg’s, flv’s, and mov’s, all into avi’s

all at once. WinFF is available for Windows 95, 98 , ME, NT, XP, VISTA, and Debian, Ubuntu, Redhat based GNU/Linux

distributions. WinFF is available in Brazillian Portuguese, Bulgarian, Chinese Tradditional, Danish, English, French, German,

Italian, Polish, Portuguese, Serbian, Spanish, and Turkish.

I -Install winFF

To install winFF you will need first to install ffmpeg

For Ubuntu,debian….

Code:
sudo apt-get install ffmpeg
Now to install winFF :

Code:
sudo apt-get install winFF