All formats
NUT
Video format
The NUT format
NUT is a lean container format from the FFmpeg developers. NUT was designed by FFmpeg and MPlayer developers in the 2000s as a simple, low-overhead container.
When to use NUT
You meet NUT in FFmpeg pipelines; convert it to MP4 to watch or share.
It is best for piping video between command-line tools, and it opens on FFmpeg, mpv and VLC.
How to open it: mpv, VLC and FFmpeg-based players open NUT files.
| Full name | NUT Open Container |
|---|---|
| Extensions | .nut |
| MIME type | video/x-nut |
| Introduced | 2008 |
| Compression | Lossy |
| Usually contains | any codec, often raw or FFV1 video |
| Support | Specialist format |
| Typical size | Depends on the codec; raw video is enormous |
Good at
- Very low overhead
- Holds almost any codec
Not so good at
- Virtually no player or editor outside FFmpeg tools supports it
The common mistake
NUT can carry raw, uncompressed video, so a short clip can be surprisingly huge.
Questions
What is an NUT file?
NUT (NUT Open Container) is a lean container format from the FFmpeg developers. NUT was designed by FFmpeg and MPlayer developers in the 2000s as a simple, low-overhead container.
How do I open an NUT file?
mpv, VLC and FFmpeg-based players open NUT files.