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As an Audible member, you can listen to high-quality audiobooks online or offline with the authorized smartphone, tablet, or computer. But sometimes you might run into trouble like this: You kept receiving an error saying "file format is not supported" when trying to play the Audible AAX file with your VLC or MP3 player.

The reason is that your device is not compatible with the AAX format. Actually, the Audible audiobooks are all DRM protected; that is to say, they can only play on a few Audible compatible devices. So, what to do when you want to listen to audiobooks on devices other than the authorized ones? You might need to use an AAX to MP3 converter to convert Audible AA/AAX to MP3. It's the simplest solution for using your Audible file easily.

To save your time searching for the best AAX to MP3 converter, here are the top 3 Audible to MP3 converters online that we highly recommend.


Part 1. Top 3 AAX to MP3 Converters (Pros & Cons)

Top 1. TuneFab Audible Converter – Best  Way to Unlock DRM and Convert AAX Audiobooks

TuneFab AAX to MP3 Converter

As its name indicates, TuneFab Audible Converter is a specially made audible converter that is professional in removing audible DRM and converting the AA/AAX files to MP3.

As an ultimate AAX to MP3 audible converter online, it is able to bypass Audible copy protection and convert AAX to MP3 or other audio formats, such as M4A, WAV, FLAC with ease. It can keep audiobooks in original sound quality while providing a conversion speed as high as 60X faster. If there is more than one audiobook to be converted, it also provides batch conversion, which enables you to enjoy the audiobooks in a newly DRM-free format on any devices without waiting for long.

Besides, TuneFab Audible Converter includes a bunch of editing and customizing features. It can preserve the chapters of the audiobooks and allows you to edit metadata, ID3 tags, and even split the audiobooks freely as you need. Therefore, apart from converting your audiobooks, it’s also easy to manage them with this tool.


● Convert Audible AA/AAX to MP3/M4A/FLAC/WAV

● Convert without iTunes

● Preserve audiobook chapters

● 60X faster conversion speed

● Editable metadata and ID3 tags

● Split audiobooks by time, chapter, and segments

● Compatible with Mac and Windows


● Free trial limits converting 2 complete audiobooks

● It can only be used on a computer

Price: $9.95

Top 2. Online Audio Converter – AAX to MP3 Converter with No Need to Download

Online Audio Converter

The second option is to use an online audio converter to convert AAX to MP3. The advantage is very obvious – there is no need for installation, just go to the online website and convert any file you want. It's easy as a pie.

We have tested more than 10 online converters recently, and Online Audio Converter is the best of them. Its website has a user-friendly design, and the interface is intuitive enough for you to handle how to use it at first glance. Moreover, it integrates many useful features, such as converting AAX to MP3, advanced settings, editing track info, making iPhone ringtones, etc. It’s highlighted that you can directly upload your AAX files from Cloud including Google Drive, Dropbox, and URL.

However, every coin has its reverse. It’s pity that this online tool has no support for AAX files with DRM protection, so it’s not applicable for converting Audible AAX to MP3 because the Audible audiobooks are all DRM encrypted.


● Add files from local folder or Google Drive, Dropbox, or URL

● Convert audio files to MP3, WAV, M4A, FLAC, OGG, and more

● Make iPhone ringtone

● 4 output quality options: Economy (64Kbps), Standard (128Kbps), Good (192Kbps), and Best (320Kbps)

● Support advanced settings: change bitrate, sample rate, channel, etc.

● Edit track info


● Cannot convert Audible AAX file. (If your AAX file is DRM-free, you can convert it with this online tool)

● Not suitable for poor network or files in large size

Price: Free

Top 3. OpenAudible – AAX to MP3 Converter and Also Cross-Platform Audiobook Manager


OpenAudible is also one of the popular software for converting AAX to MP3 and managing Audible audiobooks. It distinguishes from other audiobooks converters for the feature that it can directly connect to Audible and sync your audiobooks from it. It’s really convenient for Audible users, but also needs to be noted that the software itself is not affiliated with Audible.

As for the converting feature, this converter provides output formats in MP3, M4B, and M4A. It can split and join books by chapter. And you can set up preferences for automatically downloading and converting the audiobooks. But as for removing DRM from the AAX format, it may cost some time.


● Can sync with the Audible account

● Convert AAX to MP3, M4B, M4A

● Show audiobook information in detail

● Split books by chapter and join audio files

● Able to import audiobooks

● Cross-platform support: Mac, Windows, Linux


● Limited supported formats and editing features

● Can be time-consuming to remove DRM

● No longer freeware

Price: $18.95

Part 2. Convert AAX to MP3 with the Best AAX to MP3 Converter

After introducing the best options for converting AAX to MP3, you may want to have a try yourself. Let’s cut to the chase and see how to use it to convert all your AAX audiobooks to MP3 online. Here we will take our first recommendation – TuneFab Audible Converter as an example.

Note: The free trial version of TuneFab lets you completely convert 2 Audible AAX books for free without any download time limitation. Therefore, you can try out one or two books to test its speed and output sound quality.

Before we get started:

● Ensure that you have a fast and stable internet connection.

● You should download Audible AAX audiobooks on your computer. If iTunes won't play the AAX file, then neither TuneFab can convert the file. Therefore, you should import your Audible AAX files to iTunes first.

● This tutorial is suitable for both Windows and Mac users.

Step 1. Launch TuneFab Audible Converter

Download the program on your Windows or Mac. Next, install the program and launch it.

Step 2. Add AAX to Audiobook Converter

You can add the AAX audiobook directly from the software's main interface.

Click on the main interface to select and add your downloaded Audible DRM-ed books. When they are successfully loaded, you will see the audiobook info such as book title, author, published date, time length, etc.

Also, you can directly drag and drop the .aax file to the interface. During the process, you don't even have to log in to your Audible account.

Select AAX Audiobooks

Step 3. Choose MP3 as Output Format

After selecting the audiobooks you want to convert, you can go to "Output Format" to select MP3 as exporting. After that, you can choose the output destination by clicking on the "Output" bar.

Choose MP3 As Output Format

Step 4. Convert AAX to MP3 with One-Click

Finally, click the "Convert" button to start converting AAX to MP3. The conversion process won't last long, but it is closely related to your internet speed and computer performance.

Tips: To learn advanced features such as Audiobook Splitter or ID3 tag editor, check out our product guide. >>How to Use Audible Converter - A Complete Guide

Converting AAX to MP3

Part 3. What Features Did We Focus on When Testing?

Not every converter can be regarded as the best. When one can both meet users' basic needs perfectly and surprise users with some bonus features, we recommend it in this post. Below are the features we reckon as the key elements and hidden features of the best AAX to MP3 converter.

Batch Conversion and Speed

Most audiobooks are long audios that run for hours. A good converter should convert AAX files at an extremely high speed. Moreover, the batch conversion feature is what makes an AAX to MP3 converter stand out. If one can batch convert audiobooks really fast, you can save much time.

Sound Quality and Parameter Setting

AAX files contain audible stories of high quality. No one would like it if the conversion loses the sound quality of the audiobooks. On the other hand, If the AAX to MP3 converter provides sample rate and bitrate settings, it will be more flexible in managing the file size and quality.

AAX Protection Removal

.AAX to .MP3 is not just an extension conversion. Most AAX files are protected with DRM, only an excellent AAX to MP3 converter can bypass the protection and convert the audiobook to a DRM-free file.

ID3 Tag Preservation

Original AAX audiobooks are with ID3 tags, with which the player can read the information such as the title and the artist of the book. The best AAX to MP3 converter is supposed to keep them or even make them editable.

MP3 Audiobook Split by Length

You don't finish the whole story at a time. It will be best if the converter can split the audiobook into several clips by chapters or a customized length.

Spec Comparison of the 3 Top AAX to MP3 Converters

  TuneFab Audible Converter Online Audio Converter OpenAudible
Batch Conversion
Conversion Speed 60X Faster Standard Standard
Sound Quality High High High
Parameter Setting ×
DRM Removal ×
 ID3 Preservation 
Audio Split by chapter, by time duration ×
Price $9.95 Free $18.95


As you may find out that usual audio converters are not able to convert DRM-protected .aax Audible audiobooks. If you want to convert AAX to MP3 in an easy and quick way, a specialized audiobook converter is necessary. The best solution is to use TuneFab Audiobook Converter which can easily decrypt DRM and convert AAX to MP3, M4A, AAC, FLAC, AC3, and more.

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