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KvazaarFFmpeg
Free

Free and open source under the BSD-3-Clause license.

 Free

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

Windows, Linux, Command line Windows, macOS, Linux, Command line
  • Provides HEVC encoding from the command line
  • Offers presets and manual encoding options
  • Handles practically every container and codec there is
  • Remuxes without re-encoding, so a container change is instant and lossless
  • Requires raw video input
  • The project describes itself as still under development
  • Command line only, with syntax that punishes guessing
  • Argument order matters in ways that are not obvious
Downloadable app Downloadable app
Open source Open source
License: BSD-3-Clause 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.