--cover does on tag and
batch, for when cover art is the only thing you’re touching.
Arguments
string
required
The audio file (
.mp3, .flac, or .m4a/.m4b).Options
string
Save the embedded cover art to this path. If the path has no extension, one is added based on
the art’s actual type (
.jpg or .png).string
Embed this image as cover art. Resized to fit 300x300px first — Spotify’s Local Files
silently fails to show art any larger.