Convert M4B to AVI Online — Free
Fast, free M4B to AVI converter. No registration required.
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How to Convert
Upload your .m4b file by dragging it into the upload area or clicking to browse.
Choose your output settings. The default settings work great for most files.
Click Convert and download your .avi file when it's ready.
What is M4B?
M4B is the MPEG-4 audiobook format used by Apple iTunes and many audiobook platforms. It supports chapter markers, bookmarking, and AAC compression for efficient audiobook delivery.
Format Details
- Full Name
- MPEG-4 Audiobook
- Extension
- .m4b
Key Features
- Chapter support
- Bookmark resume
- iTunes compatible
- AAC compression
What is AVI?
AVI is a multimedia container format introduced by Microsoft. While older, it remains popular for its simplicity and wide compatibility with Windows systems.
Format Details
- Full Name
- Audio Video Interleave
- Extension
- .avi
Key Features
- Windows native
- Wide codec support
- Simple structure
- Legacy compatibility
M4B vs AVI
| Feature | M4B | AVI |
|---|---|---|
| Full Name | MPEG-4 Audiobook | Audio Video Interleave |
| Extension | .m4b | .avi |
| Best For | Chapter support | Windows native |