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Permute vs FFmpeg: catalog facts
Permute	FFmpeg
Paid One-time $14.99 licence with a free trial; also on the Mac App Store and Setapp.	Free Free and open source. The codebase is mainly LGPL 2.1 with some components under the GPL…
macOS	Windows, macOS, Linux, Command line
Simple drag-and-drop conversion Handles video, audio, images and PDFs	Handles practically every container and codec there is Remuxes without re-encoding, so a container change is instant and lossless
Permute 4 needs macOS 26 and Apple Silicon Mac only	Command line only, with syntax that punishes guessing Argument order matters in ways that are not obvious
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: LGPL-2.1
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 21, 2026

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