Free YouTube to MP3 Converter - download music and take it anywhere
GitHub - TimMikeladze/super-yt-mp3: CLI tools for converting YouTube videos to MP3 files. Extract timestamps from video chapters, description, comments and automatically splits output into appropriately named files.
Microsoft Apps
ytmp3.net - revolutionary clientside youtube to mp3 converter great website
MediaHuman YouTube to MP3 Converter Alternatives in 2023 - community voted on SaaSHub