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Kvazaarx265
Free

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

 Free

Free under the GPL-2.0, with a paid commercial license for proprietary use.

Windows, Linux, Command line Windows, macOS, Linux, Command line
  • Provides HEVC encoding from the command line
  • Offers presets and manual encoding options
  • Widely used reference-quality HEVC encoder
  • Usable as a command-line tool or as a library
  • Requires raw video input
  • The project describes itself as still under development
  • Command-line only, with no graphical interface of its own
  • HEVC playback and distribution can involve patent licensing questions
Downloadable app Downloadable app
Open source Open source
License: BSD-3-Clause License: GPL-2.0
Not stated if an account is needed No account needed
Not stated if it works offline Works offline

Checked October 8, 2026

Checked October 2, 2026

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