M4B to M4A Converter
Convert M4B audiobook to standard M4A audio. Same AAC codec, but M4A plays in all music players. Chapter markers are lost — keep M4B for chapters.
Initializing... drag & drop files here
Supports: M4B
Advanced Options - Our defaults are optimized for the best results. We recommend you keeping the defaults unless you have a specific need.
Reset to defaults
Need help?How to Convert M4B to M4A Online
- Upload Your M4B File: Click "+ Add Files" to select files from your computer, Google Drive, or Dropbox.
- Adjust Settings (Optional): Configure output settings in Advanced Options.
- Convert and Download: Click "Convert" and download your M4A file.
Why Convert M4B to M4A?
Convert M4B audiobook to standard M4A audio. Same AAC codec, but M4A plays in all music players. Chapter markers are lost — keep M4B for chapters.
Frequently Asked Questions
Is it free?
Yes. Completely free with no watermarks, no sign-up required, and no file count limits.
Can I convert multiple files at once?
Yes. Upload multiple files and convert them all with the same settings.
Does it work on mobile?
Yes. Works in any modern browser on all devices — no app installation required.