The interview you filmed is really a recording. The lecture, the rehearsal, the voice note you accidentally shot as video — all of them are audio wearing a video container, and carrying the picture around costs you a hundred times the bytes.
Extract audio is a one-tap preset: M4A container, AAC at 192 kbps, no video track. It's in the free tier because it is the single most common thing anyone asks a converter to do.
00:02:18:14How it runs
One tap, no decisions
The preset sets the container, the codec and a sensible bitrate. Convert, save, done.
M4A / AAC
The format every phone, browser and editor already reads — and much smaller than the video it came from.
Bitrate if you want it
The audio card is still there: 96, 128, 192 or 256 kbps, when the source deserves more than the default.
Want Extract audio on your phone?
Creovia Convert is coming to Google Play for Android. The download button appears here the day the listing goes live.