AIFF to M4B Converter
Convert AIFF files to M4B format online. Free, fast, no watermarks.
Initializing... drag & drop files here
Supports: AIF, AIFF
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 AIFF to M4B Online
- Upload Your AIFF 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 M4B file.
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.