http://twd6bfktlkhwluhj2ghjthx55pnp2dcuuhf6qqjz7vm2krsmwpz6crad.onion/open-source-video-converters-for-linux-gui-and-cli/index.html
It has everything but an appealing user interface. That being said, it’s free, and there is no reason one shouldn’t try this. HandBrake is available for Linux, Windows, and Mac. 2. FFmpeg (and it’s GUI frontends) FFmpeg is a free, open-source project able to handle everything multimedia created by humans or machines, as mentioned on their website.