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4K Video to MP3 vs Transition: catalog facts
4K Video to MP3	Transition
Free The developer offers it as a free download.	Free Free and open source under the GPL-3.0-or-later licence.
Windows, macOS, Linux	Linux
Bulk import with a conversion queue Outputs MP3, M4A or OGG	Simple video-to-audio conversion Native libadwaita interface
Only extracts audio and offers no editing tools Closed source	Linux only Converts to audio only, with no video output
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0-or-later
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.