Click the "Select File" button above, and choose your AAX file.
You'll see a preview.
Click the "Convert file to..." button to save your file in the format you want.
Convert AAX to another file type
The converter easily converts your AAX file to various formats - free and online. No Media Player or extra software needed.
Convert a file to AAX
The converter also works in reverse, so you can convert other Audio formats to AAX with high quality output.
About AAX files
The .AAX file extension is synonymous with the Audible enhanced audiobook format. Under the hood, this is a high-quality multimedia container (based on M4B/MP4) that stores AAC encoded audio, cover art, chapter markers, and hyperlinks. While the audio fidelity is excellent (typically 64 kbps or higher), the format's primary characteristic is its proprietary Digital Rights Management (DRM) encryption.
This DRM is the main source of friction for users. To open an .AAX file, you must use authorized software like the Audible app or Apple Books, and the device must be activated with the specific Amazon account used to purchase the book. This creates a significant "lock-in" problem: you cannot simply transfer the file to a generic MP3 player, play it in your car's standard media system, or archive it on a local media server without restrictions. Additionally, the files can be quite large, often exceeding several hundred megabytes for long books.
To regain control over your purchased media, the best solution is converting the file to an open format. For maximum compatibility with all devices and web players, converting .AAX to MP3 is the standard choice. If you wish to preserve chapter markers and metadata without quality loss, converting to DRM-free M4B is ideal for archiving. Just drag and drop your file to handle the complex decryption and conversion logic automatically.
Use Convert.Guru to open and convert your AAX file.
If you want to convert AAX file to MP3, M4B, MP4, WAV, AAC, FLAC, OGG, WMA, M4A, AIFF, OPUS or ALAC, you can use Audible or similar software from the "Audible Enhanced Audiobook" category. In the File menu, look for Save As… or Export….
To convert MIDI, AAC, TTA, AU, WV, DTS, MID, FLAC, RA, MP3, PCM or WAV files to AAX, try Audible or another comparable tool in the "Audible Enhanced Audiobook" category.
The AAX Converter Story
The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our AAX converter.