Convert MP4 to M4A

MP4 video → M4A audio: convert online for free. MP4 to M4A conversion runs right in your browser — your files never leave your device.

Drop files here or choose them

You can also paste files with Ctrl+V

Files never leave your device

About the formats

MP4 video
Common video container, usually with H.264 video and AAC audio. Plays almost everywhere.
M4A audio
AAC audio in an MP4 container. Default audio format for Apple devices and iTunes.

How to convert MP4 to M4A

  1. Choose a MP4 video file or drag it onto the page.
  2. Check the settings and click Convert.
  3. Download the M4A audio file when it is ready.

Frequently asked questions

Is converting MP4 to M4A free?

Yes. Conversion is free, with no sign-up and no watermarks.

Are my MP4 files uploaded anywhere?

No. The conversion runs in your browser, so your files never leave your device.

Will the quality change when converting to M4A?

Quality depends on the target format and the settings you choose; lossy formats let you adjust the quality level.