WinFF is a GUI for the command line video converter, FFMPEG. It will convert most any video file that FFmpeg will convert. For example: you can convert your camera, phone, and internet videos into videos for multiple phones, websites, and media players. WinFF is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or any later version. Copies of the latest and previous source code archives are available at WinFF.org.
FFmpeg is a complete, cross-platform solution to record, convert and stream audio and video. It includes libavcodec – the leading audio/video codec library. FFmpeg is a Trademark of Fabrice Bellard, originator of the FFmpeg project. Ffmpeg is free software and is licensed under the LGPL or GPL.