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AdapterFFmpeg
Free

Freeware with no stated limits or restrictions.

 Free

Free and open source. The codebase is mainly LGPL 2.1 with some components under the GPL…

Windows, macOS Windows, macOS, Linux, Command line
  • Batch conversion for video, audio and images
  • Previews conversions beside the original files
  • Handles practically every container and codec there is
  • Remuxes without re-encoding, so a container change is instant and lossless
  • Available for Mac and Windows.
  • 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
Not stated if an account is needed No account needed
Not stated if it works offline Works offline

Checked October 8, 2026

Checked September 21, 2026

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