Pavtube ByteCopy can convert your videos to any format you need, while retaining the MKV extension for the different audio files. It also supports HD, 3D, and editing software like Adobe Premiere. This app can record in MP4, MOV, MPEG, AVI, MMV, or any other format supported by consoles or smartphones, among many others.

It's a great solution for making copies of your videos without losing quality while adding different audio tracks. Pavtube ByteCopy is a practical app that lets you create videos on Blu-Ray or DVD with multiple audio and subtitle tracks.