Convert MP4 to M4A
Keep just the sound of an MP4 as a small M4A that plays well on iPhones, iPads, and Macs.
From
To
MP4
The standard video format. Plays on every phone, computer, and platform — the default way video is shared.
M4A
The AAC audio container used by Apple Music and iTunes. Better quality than MP3 at the same size.