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qaac vs LAME: catalog facts
qaac	LAME
Free Free to download, with source published on GitHub.	Free Free and open source under the LGPL.
Windows, Command line	Windows, Command line
Uses Apple's AAC encoder on Windows Encodes both AAC and ALAC	High MP3 quality at mid to high bitrates and VBR Long development history and still actively released
Command line only, no graphical interface Windows only	Encodes MP3 only No graphical interface of its own
Downloadable app	Downloadable app
Open source	Open source
License: Public Domain	License: LGPL
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.