Fact · Transcription
The yt-dlp README lists aac, alac, flac, m4a, mp3, opus, vorbis and wav as audio formats its extraction option can write, with best as the default.
Checked against its source on October 17, 2026
In the source's own words
“(currently supported: best (default), aac, alac, flac, m4a, mp3, opus, vorbis, wav)”
yt-dlp README, yt-dlp contributors, GitHub, yt-dlp project, n.d., Post-Processing Options.
Open the original- What it measures
- The option is --audio-format, used together with -x.
- What it does not show
- The list changes between releases, so check the README for the version you have installed.