Convert MP4 to AAC Online

Easily convert your MP4 files to AAC format by uploading them below. Conversion to AAC will start automatically.

MP4 left-arrow-icon AAC

Drop MP4 files here

Paste audio URL one at a time

How to convert MP4 files to AAC format?

  1. Drag and drop your MP4 files in the upload box above
  2. MP4 to AAC audio conversion will begin automatically after upload.
  3. Once the files are converted (green bar) you can download the converted AAC files individually or click “Download All” button to download all files in a ZIP archive format.
What file types are supported?

This conversion tool support conversion of MP4 files such as .mp4, .m4p, .m4b, .m4v to AAC format.

Max file size supported is: 200Mb

No signup or installation required

FreeConvert.com is an online conversion tool, so there is absolutely no software to install. This means your computer will not be cluttered by unwanted software. There is also no sign-up process, we wanted to keep the conversion process very simple without any unwanted steps. Just drag and drop your files and see them automatically convert to AAC format. Plus it is absolutely free to convert MP4 to AAC audio format.

Convert MP4 to AAC audio format in Windows, Mac, or Mobile

This online converter works regardless of your operating system. All you need is a browser and an internet connection. Oh, by the way, we are 100% responsive, so you can convert MP4 to AAC audio format from your mobile devices without installing any conversion apps.

Batch convert MP4 to AAC audio format

Want to convert more than one MP4 file to AAC audio? No problem. You can upload multiple MP4 files above and they will all be converted to AAC audio format in no time! After the conversion, you can download each file individually or all zipped together by clicking on the “Download All” button.

Convert Your MP4 files to other formats

FreeConvert.com can convert your MP4 files to these other formats: