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How to Convert Audible Audiobooks to AAC (.m4a)

If you’d like to absorb new information or just get inspiration from books, but are struggling to find the time to sit down and read, then please welcome to Audible, an Amazon company, home of the world’s largest selection of audiobooks. From Audible, you are able to explore new releases, best-sellers, mysteries, sci-fi, romance, and memoirs. With a selection of over 200,000 titles, there are more than enough audiobooks to suit your taste. So whatever your passion you're sure to find the perfect listen.

However, in spite of the large amount, most of the audiobooks from Audible.com are encoded in .aa or .aax file format which is a proprietary audio format developed by Audible to prevent the unauthorized copying and playing of downloaded audiobooks. In result, you will find that the Audible .aa and .aax audiobooks can only be played on selected devices, all the attempts to import these audiobooks to some portable devices, such as Fitbit Ionic, Sony Walkman, are in vain. But luckily, this is not the end of our story, here comes a great tool to assist you in converting DRM-ed Audible audiobooks to DRM-free AAC format, so that you can enjoy your audiobooks anywhere anytime.

Convert Audible Audiobook to AAC

That is NoteBurner iTunes DRM Audio Converter, a quite powerful Audio DRM removal tool, which can not only convert DRM-ed iTunes or Audible audiobooks to AAC or other widely-used formats, but also convert Apple Music songs, iTunes M4P audio to plain MP3, AAC, FLAC & WAV audio. The speed of converting is quite fast, and there is no need to worry its tone quality; NoteBurner iTunes DRM Audio Converter converts Audible audiobooks with lossless quality.

Highlights for NoteBurner iTunes DRM Audio Converter

  • Remove DRM protection from iTunes & Audible audiobooks;
  • Convert iTunes & Audible audiobooks to MP3/AAC/FLAC/WAV;
  • Convert audiobooks at lightning speed with lossless quality;
  • Perfectly support the latest version of iTunes;
  • Provide prompt technical support and excellent customer service.

Tutorial: How to Convert Audible Audiobooks to AAC

NoteBurner iTunes DRM Audio Converter supports both Windows and Mac OS. Here we will take Mac OS as an example to guide you how to remove DRM from Audible audiobooks and convert to AAC format. Before we get started, please download the Audiobook Converter to your Mac.

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Step 1. Import Audible Audiobooks into iTunes

If your Audible audiobooks are downloaded from iTunes, you can directly find them in "My Audiobook" section of iTunes. But if they are downloaded from Audible, you must first import them into iTunes. Here are the simple steps: 1) Open iTunes; 2) Select “File”>”Add file to Library”; 3) Select files to import; 4) Click “Open”. Now you can find them in your iTunes. When all the audible audiobooks are imported into iTunes, please close iTunes manually.

Here is a video demonstration for your reference: How to Manually Import Audible Content into iTunes Using iTunes.

Step 2. Add Audible Audiobooks to NoteBurner iTunes DRM Audio Converter

Launch NoteBurner iTunes DRM Audio Converter. Click button “+” on the upper left. There will be a pop-up window showing you all the iTunes music and audiobooks you’ve downloaded. Click “Audiobooks” and now select the audiobooks you want to convert and click “OK”.

add audiobooks

Step 3. Customize Output Settings

Click NoteBurner iTunes DRM Audio Converter (on the upper left of the screen) > Preferences, then you will see a pop-up window which allows you to choose output format (MP3/AAC/FLAC/WAV), conversion speed, output path, etc.

select output format

Step 4. Remove DRM from Audible Audiobooks

Click “CONVERT” in the middle and all the audiobooks you selected in Step 2 will soon be converted from DRM-protected .aa or .aax format to AAC format.


When the conversion is finished, click the History button and you will see all the converted audiobooks, which can also be found by directly going to the output folder you customized in Step 3.

All done! Now you've successfully convert .aa and .aax audiobooks to plain AAC. Just take your time to enjoy your audiobooks anywhere anytime.

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