Audio Conversion

Aspose Audio Conversion is a free app to convert Audio format. Convert Audio online from Mac OS, Linux, Android, IOS, and anywhere.

Supported Documents: any audio or video file
Convert to: AAC, AIFF, FLAC, M4A, MP3, WAV, WMA, AC3, CAF, OGG

M4B M4B File Format

The audiobook files containing metadata, images, bookmarks and hyperlinks can be saved with .m4a extension but generally .m4b extension is used while saving, just to specify that the file has an audiobook file format.

How to convert m4b files

Click inside the file drop area to upload a m4b file or drag and drop a m4b file.
Your m4b file will be uploaded and will be converted to other format.
Download link of result file will be available instantly after conversion.
You can also send a link to the m4b file to your email address.
Note that file will be deleted from our servers after 24 hours and download links will stop working after this time period.

Fast and Easy Conversion

Upload your document, choose the save format type and click on “Convert” button. You will get the download link as soon as the file is converted.

Convert from Anywhere

It works from all platforms including Windows, Mac, Android and iOS. All files are processed on our servers. No plugin or software installation required for you.

Conversion Quality

Other Supported Conversions

You can also convert other file formats. Please see the list below.

Conversion	TextToSpeech	Cutter	Merger	Splitter
RemoveNoise	Compress	SpeedChanger	Reverse	VolumeChanger
Mix	VoiceRecorder	FadeInOut	Editor

Free Online Audio M4B file converter

Upload M4B file to convert.