Winff is a frontend for FFMPEG that runs on Windows XP, Linux. It will convert most any video file that FFmpeg will convert. Developed by Matthew Weatherford and Ian Stoffberg
License: Open Source
WinFF is a simple and user-friendly tool focused on basic video conversion tasks, while QWinFF offers a more advanced interface with better codec support and performance, making it suitable for users who need more control over their video processing.