NUT (.nut)
NUT is a simple, open container format developed by the FFmpeg project itself, designed to be lightweight and easy to parse rather than widely adopted.
Frequently asked questions
What is a .nut file?
NUT is a simple, open container format developed by the FFmpeg project itself, designed to be lightweight and easy to parse rather than widely adopted.
What is NUT good for?
NUT works well for ffmpeg-native testing and development workflows.
What are the downsides of NUT?
Essentially unused outside FFmpeg tooling No meaningful playback support elsewhere
Can I convert NUT in FileLab?
NUT isn't yet supported for in-browser conversion here — it typically needs specialized desktop software to open or produce reliably.