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
Kigo Video Converter offers a more comprehensive set of features, including advanced video editing tools and better user support, making it suitable for users needing extensive format support and customization. In contrast, WinFF is a lightweight, straightforward tool ideal for basic video conversions but lacks advanced features and support.