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FFaudioConverter vs Transition: catalog facts
FFaudioConverter	Transition
Free Free and open source under the GPL-3.0 licence.	Free Free and open source under the GPL-3.0-or-later licence.
Linux	Linux
Batch converts many audio files at once Applies filters and effects during conversion	Simple video-to-audio conversion Native libadwaita interface
Audio only, no video conversion Small project with a narrow feature set	Linux only Converts to audio only, with no video output
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0-or-later
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 1, 2026

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