Matroska Multimedia Container is an open standard free container format. This means that this file format can hold unlimited number of tracks, allowing user to store video, audio, picture or subtitle tracks in a single file.
MKV to MP4 converter, is free software that supports converting your MKV video files to MP4 format. With MKV to MP4 converter you can choose more then one MKV file to convert at once. Just select files you wish to convert on +Add Files or drag and drop, click Convert button and wait for conversion to finish. You can track conversion progress in progress bar and also there you will see progress in percentage.
Open Video and Open Folder (containing folder) links will be showed when conversion will be finished and from there you can open converted video or folder location of converted video. You can also select output directory where you want your converted file to be copied.