HandBrake - HandBrake allows users to easily convert video files into a wide variety of different formats.
AVS Video Converter - AVS Video Converter is a handy software for converting to and from major video formats like 4K UHD, MP4, VOB, WMV, 2K QHD, DVD, MPEG4, DCI 4K, MOV, and more.
Wondershare UniConverter - Wondershare UniConverter (originally Wondershare Video Converter Ultimate) can convert any video to over 1000 formats at 30X faster speed without quality loss, burn DVD, compress/edit/download/record videos, transfer files to devices.
Transcoder - Transcoder is a free command-line-based video converter that allows you to convert any size of video into a range of audio and video formats.
Shutter Encoder - Open source software without any restriction - converter all formats video|audio|image professionnals codecs and standards - swiss knife tool Windows, OSX and Linux
HD Video Converter - HD Video Converter Factory Pro is designed to convert hd video, download hd video from YouTube, and edit hd video(including 4K, 1080P, 720P source in any format).