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Free M4a to MP3 Converter vs EZ CD Audio Converter: catalog facts
Free M4a to MP3 Converter	EZ CD Audio Converter
Free Freeware with no charge.	Paid Paid software with a free 21-day trial.
Windows	Windows
Handles M4b audiobooks and other rarer MPEG-4 audio formats Converts whole folders including subfolders	Converts between more than 60 formats Secure bit-perfect CD ripping with verification
Windows only Output limited to MP3 and WAV	Windows only Paid after the 21-day trial
Downloadable app	Downloadable app
Closed source	Closed source
License: Freeware	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.