Here is a ready-to-use reference sheet. Assumed input file: Outlander.S04E13.Man.of.Worth.mkv (or .mp4) FFmpeg version: 6.0 or newer. 1. Basic Info Inspection ffmpeg -i Outlander.S04E13.Man.of.Worth.mkv or more readable:
ffmpeg -i Outlander.S04E13.Man.of.Worth.mkv -vn -acodec mp3 -ab 192k Outlander.S04E13.mp3 Get duration first: outlander s04e13 ffmpeg
ffprobe -hide_banner Outlander.S04E13.Man.of.Worth.mkv Change container without re-encoding (fast, no quality loss): Here is a ready-to-use reference sheet