There are numerous Audible format converters available, particularly AAX to MP3 converters, given MP3's superior compatibility. However, with so many options, finding the best AAX to MP3 converter can be challenging.

To make your decision easier, we have thoroughly researched and evaluated various Audible converters. Our analysis includes powerful and reliable desktop AAX converters, online AAX to MP3 converters, and free open-source options from GitHub. After careful consideration, we have selected the top seven AAX to MP3 converters. Check them out below!


CONTENTS


Part 1. Top 7 AAX to MP3 Converters Overview

Top 1. TuneFab Audible Converter (Windows/Mac)

✨Our Verdict: The best tool to unlock DRM and convert AAX audiobooks to DRM-free MP3 files with chapter kept.

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, and 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 device 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, making it easier for you to manage the downloaded files.

TuneFab AAX to MP3 Converter

👍Pros:

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

  • Process AAX to MP3 conversion without iTunes

  • Get MP3 Audible books with chapters

  • 60X faster conversion speed

  • Editable metadata and ID3 tags

  • Split audiobooks by time, chapter, and segments

  • Can convert 2 complete audiobooks to MP3 for free


👎Cons:

  • Limited 15-day trial to convert AAX to MP3 for free


💰Price: $12.99 after a 15-day free trial


Learn more: TuneFab Audible Converter Review: Friendly and Really Fast

Now let's see how to use TuneFab to convert all your AAX audiobooks to MP3 after you download Audible AAX audiobooks on your computer.

Step 1. Download, install, and launch TuneFab Audible Converter on your PC or Mac.

Step 2. Click on the main interface to select and add your downloaded Audible DRM-ed books. Also, you can directly drag and drop the .aax file to the interface.

Import AAX Audiobooks

Step 3. After importing the AAX files, choose MP3 as the Output Format.

Choose MP3 as Output Format

Step 4. Click the "Convert All" button to convert AAX to MP3. The conversion process won't last long. After that, you can listen to Audible books on your PC and phone!

Converting AAX to MP3

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


Top 2. OpenAudible (Windows/Mac/Linux)

✨Our Verdict: Both AAX to MP3 Converter and also cross-platform audiobook manager.

OpenAudible is also one of the popular software for converting AAX or AA to MP3 and managing Audible audiobooks. This AAX to MP3 converter distinguishes it from other audiobook converters for the feature that it can directly connect to Audible and sync your audiobooks from it, so you don't need to get another AAX audio conversion activation code. 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 take some time.

Note: Remember to install iTunes at the same time when using this tool to convert AAX Audible to MP3. If you don't want to install too many tools on your computer, then TuneFab Audible Converter is the best alternative to OpenAudible. With it, you can directly convert without installing iTunes.

OpenAudible

👍Pros:

  • Can sync with the Audible account

  • Convert AAX to MP3, M4B, M4A

  • Get AAX Audible books with chapters and ID3 tag information

  • Split books by chapter and join audio files

  • Cross-platform AAX to MP3 Converter with Mac/Windows/Linux supported


👎Cons:

  • Limited supported formats and editing features

  • Can be time-consuming to remove DRM

  • Not a free AAX converter

    Need to convert AAX to MP3 with iTunes


💰Price: $19.62


Top 3. AudibleConvert (Online) [❌Expired]

✨Our Verdict: An online AAX to MP3 converter with cheap pay for an AAX audio converter activation code, but is no longer working now.

Apart from converting AAX files to MP3 on desktop software, you can also use an online AAX to MP3 converter. AudibleConvert is such online software for you to convert AAX Audible to MP3. Designed with a quite initiative interface, it only shows you two buttons to operate. You just need to choose the Audible books you have downloaded on your computer, and click "Choose file" to upload it, then it will begin to convert Audible to MP3 after you click the "Convert" option.

When using this online AAX to MP3 converter, you can also find that there is no ad interruption, so you can have a relatively delightful experience. However, remember that this program is no longer a free online AAX to MP3 converter. You need to spend US$1.99 in using it to convert Audible to MP3.

NOTE: During my testing, I found that this converter's website was down, meaning it's no longer available. For a reliable and stable tool that never expires, TuneFab Audible Converter will be the best choice.

Online AudibleConvert

👍Pros:

  • Convert AAX to MP3 online without installing any software

  • User-friendly interface

  • No ads interruption

  • Easy to operate


👎Cons:

  • It has expired.

  • Only support Audible AAX files

  • The conversion speed is slow

  • Can only convert DRM-free files


💰Price: US$1.99


Top 4. AAX2MP3 (Windows/Mac)

✨Our Verdict: A free and open-source desktop Audible to MP3 converter for removing DRM from AAX files.

AAX2MP3 is a free and open-source AAX to MP3 converter that can remove the DRM from Audible audiobooks, making them DRM-free and playable on any device. You don't need to install iTunes to use AAX2MP3, but you will need to install the Audible Manager software on your computer to activate your Audible account and authorize your computer to play AAX files.

Once you have installed Audible Manager, you can launch this free AAX to MP3 converter and select the files you want to convert. AAX2MP3 will then remove the DRM from the files and convert them to MP3 files. Depending on your internet connection, the conversion speed can be around 2 seconds for 1 minute of audio.

NOTE: It's been a long time since its last update on 25 August 2019, which means it lacks maintenance and may sometimes not work. If it does not work, you can try TuneFab Audible Converter as an alternative. It's also a desktop AAX converter with more stable and high-success performance.

AAX2MP3 Converter

👍Pros:

  • It's a totally free desktop AAX converter.

  • It doesn't need to install iTunes.

  • It offers effortless operaton.


👎Cons:

  • You need to install Audible Manager at the same time.

  • It lacks maintenance.


💰Price: Free


Top 5. Online Audio Converter (Online)

✨Our Verdict: Free convert unencrypted AAX to MP3 online. (Only convert files smaller than 50MB)

Just as its name indicated, Online Audio Converter is an online program that you can directly upload your AAX files from Cloud including Google Drive, Dropbox, and URL. It has a user-friendly design, and the interface is intuitive enough for you to handle converting AAX to MP3 online free. Moreover, during the conversion process, you can edit the track info ad even make the downloaded files as iPhone ringtones, etc.

Remember that this online tool can only help you convert DRM-free AAX files to MP3 and the audiobooks you upload should be less than the preset file size. If you want to convert encrypted Audible AAX or large Audible size to MP3, TuneFab Audible Converter is a better choice..

Online Audio Converter

👍Pros:

  • Add files from the local folder or Google Drive, Dropbox, or URL

  • Convert audio files to MP3 online free

  • Make an 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


👎Cons:

  • Cannot convert DRM-protected Audible AAX file.

  • Not suitable for poor networks or files in large size


💰Price: Free


Top 6. Aconvert (Online)

✨Our Verdict: Online AAX to MP3 converter without installing any software. (Only support AAX files that are less than 200M.)

Aconvert is also a reliable AAX to MP3 converter online for free. Apart from AAX to MP3 conversion, this program also offers you a range of conversion options, like AAX to WAV/OGG/WMA/AAC/FLAC/AUFF/OPUS/AMR, and so on. What's more, not only can you convert files from AAX Audible, but you can also get MP3 files from PDF, Documents, Ebooks, Images, Videos, Archives, and even Webpages. With its user-friendly interface, you just need to choose online files from URL, Google Drive, or Dropbox, then you can local MP3 audiobooks with the audio's detailed information and preferred output quality.

NOTE: To reduce file size, this online free AAX to MP3 converter will make the output compressed. That means, the MP3 files you get are of lossy quality. If you want to play your liked audiobooks with lossless quality for a better experience, you can use TuneFab Audible Converter as an alternative.

Aconvert AAX to MP3 Converter

👍Pros:

  • A free online AAX to MP3 converter

  • Offer customizable options for bitrate and sample rate

  • Get target files with ID3 tag information


👎Cons:

  • Can't convert AAX to MP3 with chapters

  • Can only upload AAX files less than 200MB

  • Offer low success rate to get audiobooks as MP3


💰Price: Free


Top 7. AAX Converter (Windows Only)

✨Our Verdict: A straightforward tool for AAX to MP3 conversion only on Windows laptops.

If you use a Windows PC, you'll find that a new AAX Converter has recently become available on the Microsoft Store. The interface is straightforward and doesn't require account login. You can easily start converting your files by simply dragging and dropping them into this AAX/AC to MP3 converter.

However, the free version has limitations: it only supports converting small files and offers slow conversion speeds. To unlock additional features, such as splitting AAX files into multiple chapters or batch-converting files, you'll need to pay for the Pro version. Thus, to get more and better features cost-effectively, TuneFab Audible Converter remains the best choice.

AAX Converter in Microsoft Store

👍Pros:

  • Convert AAX to MP3 successfully

  • Split AAX content into chapters (pro version)

  • No ads, and easy to handle


👎Cons:

  • The free version only supports small AAX files

  • Only support MP3 format output

  • The conversion speed is slow


💰Price: US$20.99 for Lifetime


Part 2. How Do We Value the Best AAX to MP3 Converter

After exploring the seven AAX to MP3 converters in detail, it's time to select the best one for converting your AAX files. Not every converter is equal, and the ideal choice should meet your basic needs perfectly while offering additional features. Here are the key elements and features to look for in the best AAX to MP3 converter:

Batch Conversion and Fast Speed

A good converter should handle AAX files at high speed. The ability to batch convert multiple audiobooks simultaneously is a standout feature, saving you a significant amount of time while converting lengthy audiobooks.

Original Sound Quality and Flexible Parameter Setting

AAX files are known for their high-quality audio. The best converter must maintain this sound quality during conversion. Additionally, a good converter should offer customizable settings for sample rate and bitrate for you to balance file size and audio quality.

AAX Protection Removal

Converting AAX to MP3 isn't just about changing file extensions. Many AAX files are protected by DRM. An excellent converter should be able to bypass this protection and produce DRM-free MP3 files.

ID3 Tag Preservation

AAX audiobooks come with ID3 tags that provide information like the title and artist. The best AAX to MP3 converter should retain these tags or even allow you to edit them for better organization.

MP3 Audiobook Split by Length

If you prefer not to listen to the entire audiobook in one go, it’s useful if the converter can split the audiobook into smaller clips by chapter or a custom length, making it easier to manage your listening sessions.


Part 3. Comparison & Verdict: Which is the Best AAX to MP3 Converter?

Based on the criteria mentioned above, we have further evaluated the seven AAX to MP3 converters discussed earlier. This will help you compare them more easily and choose the best AAX to MP3 converter that suits your needs.

  TuneFab Audible Converter Online Audio Converter OpenAudible AudibleConvert
(❌Expired)
AAX2MP3 Aconvert AAX Converter
Batch Conversion × × ×
(Pro Version)
Conversion Speed 60X Faster Slow Standard Standard Standard Slow Standard
Sound Quality High Medium High Medium Medium Medium Medium
Parameter Setting × × × ×
DRM Removal × ×
ID3 Preservation ×
Audio Split by chapter, by time duration, no split × × × × ×
Price $12.99 & 15-day free trial Free $19.95/year, $69.9 for lifetime" Free Free Free Free version provided, Pro version for $20.99

To sum up, each product has its strengths and weaknesses, making them suitable for different scenarios. For instance, if speed and comprehensive features are crucial, TuneFab Audible Converter is the best choice. For those on a budget needing basic functionality, Online Audio Converter or Aconvert might be appropriate. OpenAudible offers a good balance of features for those willing to invest in a paid option, while AudibleConvert and AAX2MP3 provide free options with essential DRM removal.


Part 4. FAQs About AAX to MP3 Converters

Online vs. Desktop AAX to MP3 Converters: Which is Better?

In this article, there are both desktop and online AAX to MP3 converters available for you to select from. But actually, there are big differences between using these two kinds of converters to convert AAX to MP3. The biggest difference is that only desktop AAX to MP3 converters, like TuneFab Audible Converter, can convert DRM-protected Audible files to MP3, while online converters can only convert DRM-free AAX to MP3.

Moreover, if you convert AAX to MP3 online, you need to make sure the files you upload are less than the preset file size limit. For example, you can only upload less than 50MB AAX files to Online Audio Converter. But you don't need to worry about the size limitation for you to upload your audiobooks to the desktop converters. Better yet, when you have a large-sized audiobook file, the desktop converters can help you split the files by duration, chapter, or segments.

After the above description, I think it's quite easy for you to choose whether to convert AAX to MP3 online or on a desktop.

What if the AAX to MP3 Converter Asks for an Activation Byte Code?

When you try to use an AAX to MP3 converter to convert your purchased and downloaded AAX file to MP3, the converter may ask for your personal Activation Byte Code. This is annoying. But don't worry, you have two solutions:

Option 1. Visit AAX Checksum Resolver, and drag and drop your downloaded .aax file to the website. It will analyze and generate the activation bytes.

Option 2. Download your audiobooks with Book Lib Connect. Books downloaded with Book Lib Connect do not need a classic activation code. You can use any of the best AAX to MP3 converters mentioned before to change AAX to MP3.

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