Click the «Choose files» button and select the M4B files you want to convert to AAC.
Select «AAC» as the target format. Click «Convert» to start converting M4B to AAC. It only takes a few seconds.
Done! Your M4B file has been converted to AAC format. You can download it to your device.
Audiobook and podcast files also contain metadata, chapter markers, images, and hyperlinks, more commonly use the M4B extension. M4B files most commonly use AAC (Advanced Audio Codec).
Advanced Audio Coding (AAC) is an audio coding standard for lossy digital audio compression. Designed to be the successor of the MP3 format, AAC generally achieves higher sound quality than MP3 at the same bit rate.
| 🔁 Conversion | M4B to AAC |
| ⏱ Time to convert | 20 seconds |
| 💳 Cost | Free |
| 📂 File types | Audio |
| ✳️ File extensions | .m4b, .aac |
| 📏 File size limit | 75 MB |
| 👩💻 Supported OS | Windows, Linux, MacOS, iOS, Android |
You don't need to download and install any software to convert .m4b files to .aac format. All conversions take place in the cloud.
Your files are completely safe and accessible only to you. All files will be permanently deleted within 2 hours after conversion.
Convert your m4b files to aac in 2 clicks. And don't pay anything for it! Our M4B to AAC Converter is free for all users.