Convert M4B to AAC

Convert your M4B files to AAC format by uploading them below

This tool supports bulk converting M4B to AAC. You can also edit the target format’s audio quality, bit rate, and fade in/out options.

Convert M4B to AAC

M4B to AAC converter is a free online tool to convert your M4B files to AAC format. This tool can convert multiple M4B files at once to AAC format (batch conversion). Currently we support M4B files up to 20 Mb in size. You can upload M4B files from your computer or via URL.

How to Convert M4B to AAC?

  1. Click “Choose File” button to select your M4B files
  2. On the editor page, adjust the properties of your AAC file.
  3. Click the "Convert" button to start the conversion

Advanced Options

This M4B to AAC converter supports:

  1. Change Audio quality: Select a bit rate in Kbps for your target AAC file
  2. Fade In/Out: Fade audio at the beginning or end
  3. Audio Sample Rate: Change the sample rate of your target AAC file

Secure Tool

This tool is hosted on the Amazon Cloud and automatically removes all your files after 24 hours. You can rest assured that your sensitive files are not collected or stored in our servers.

Online M4B to AAC Converter

This tool is 100% web-based. There is no software to install for converting M4B to AAC. It works on all major browsers and is mobile browser friendly. (fully responsive)

Free Forever

This M4B to AAC converter is 100% free and always will be. If you would like to support us, please send us your feedback and share this tool among your friends. Thank you!

Processing your audio file...

Generating audio waveform...

We are cutting your audio file...

We are converting your audio file...

We are joining your audio files...

Retrieving audio file from url...

Max allowed file size is 1gb Unsupported file format, please upload a valid audio file Unsupported format: some file(s) were not added. You can only upload 20 files at a time. File upload error, please try again Sorry something went wrong, please try again Unsupported file format, please insert a valid audio URL Error: start and end time can not be the same This file has expired. Please upload a new file below Error: start and end time must be valid No files selected. Please select a file first Upload Error: Please remove the failed uploads & try again