Convert M4A to AAC in bulk.
Large M4A files are supported.

Max size: 200 MB per file

You can convert M4A Learn more about M4A files to

Video
Audio


How to convert M4A to AAC?

You can convert M4A to AAC with MConverter in three easy steps:
  1. Choose M4A files from your device
    At the top of this page, drag and drop your M4As.
    You can also click to select M4A files using your operating system's file picker.
    Another method is to press the keyboard shortcut Ctrl+V (⌘+V on Mac) to paste an M4A file you have copied to clipboard.
    Converting a folder with M4A files to AAC is also supported: simply paste or drag and drop it.
  2. Click or tap on AAC from the list of target formats
    Alternatively, you can use the search field to quickly find the format you need, whether it's AAC or something else.
  3. Download your AAC files, after MConverter has finished processing them
    There's an option to automatically download the converted AAC files, so you don't have to press the download icon for each AAC.
    You may see a share icon as well. Use it to directly share the AACs with other apps.

About the formats

Extension m4a
Category Audio file formats
Developed by Apple
Mime type audio/m4a

Description

M4A files store audio using the AAC codec. M4A stands for MPEG-4 Audio. It is very similar to MP4 with the difference being the lack of a video/subtitle track in the file.
Extension aac
Category Audio file formats
Developed by Fraunhofer Institute, Nokia, Dolby, AT&T, Sony and others
Mime type audio/aac

Description

AAC files are audio files using Advanced Audio Coding compression. AAC is a lossy format, meaning the audio quality remains almost the same as the original source. The slight loss leads to the audio files taking up less space, which makes them ideal for music streaming or when bandwidth is limited. AAC is superior to MP3 for handling frequencies above 16 kHz. The encoding efficiency for transient and stationary signals is also better when compared to MP3.

Common questions about converting M4A to AAC

Can I convert M4A to AAC in bulk?

Yes, MConverter supports batch converting of multiple M4As to AACs simultaneously. You can even drag and drop folders containing M4As to convert to AAC.
Pasting M4A files and folders copied in the clipboard also works: use Ctrl+V.

Can I convert an M4A file to AAC, if its size is 1 GB?

Yes, with MConverter Premium you can convert big M4As, up to 1 gigabyte each.
The free version lets you convert files up to 200 MB. If you need to convert M4A files over 200 megabytes, try MConverter Premium.

Is converting M4As to AAC safe with MConverter?

Yes, we encrypt your connection using industry standards. Plus, your M4A files are only accessible by you. 24 hours after the conversion completes, they are automatically deleted from MConverter’s servers. You can also delete your M4As and other converted files immediately after finishing the conversion by clicking the bin icon.
Join others who have trusted us to convert over 2,856,806 files so far.

How long does it take to convert M4A to AAC?

For most audio files, the wait is usually around a minute. However, MConverter also supports converting larger audio files, meaning that it could take a while (up to over an hour, for example).


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