convertfile

AIFF to M4A

AIFF files (.aiff and .aif) into M4A (.m4a), on your Mac, iPhone or iPad. Converted on the device. Nothing is uploaded.

How

  • On a Mac: drop the AIFF file on convertfile and pick M4A, or right-click it in Finder and choose Quick Actions, then convertfile.
  • On an iPhone or iPad: share the AIFF file to convertfile and pick M4A.

What it does

  • Converted by Apple’s AudioToolbox, on the device.
  • M4A options: Codec; Bitrate.
  • Free, forever. It is never counted.

AIFF also becomes

Also into M4A

The formats