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

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