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Adapter vs FrameShift: catalog facts
Adapter	FrameShift
Free Freeware with no stated limits or restrictions.	Free Free with no subscription or paid tier; licensed under GPL-3.0.
Windows, macOS	Windows
Batch conversion for video, audio and images Previews conversions beside the original files	Runs common media actions from File Explorer Bundles FFmpeg and FFprobe
Available for Mac and Windows.	Windows 10 and 11 on x64 only Optional AI models require an initial download
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 8, 2026

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