winff: WinFF is a GUI for the command line video converter, FFMPEG. It will winff: winff: convert most any video file that FFmpeg will convert. WinFF does winff: multiple files in multiple formats at one time. You can for example winff: convert mpeg's, flv's, and mov's, all into avi's all at once. winff: winff: winff: winff: winff: winff: