Compare software

ConstrictFFmpeg
Free

Free and open source under the GPL-3.0-or-later.

 Free

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

Linux Windows, macOS, Linux, Command line
  • Targets an exact output file size automatically
  • Batch compression of multiple videos
  • Handles practically every container and codec there is
  • Remuxes without re-encoding, so a container change is instant and lossless
  • Steep size reductions can badly hurt quality or fail
  • Speed limited by local hardware
  • 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: GPL-3.0-or-later License: LGPL-2.1
No account needed No account needed
Works offline Works offline

Checked October 1, 2026

Checked September 21, 2026

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