Video format
What is a .y4m file?
YUV4MPEG2, the raw uncompressed video format that FFmpeg and other tools use to pipe frames around. The header lines are plain text describing the size and the color format, so it’s easy to generate and easy to lose.
fileclay opens YUV4MPEG but doesn’t write it
When to use YUV4MPEG
- Best for
- Testing, frame processing, and codec development.
- Advantages
- Predictable raw video data.
- Disadvantages
- Extremely large files.
Convert YUV4MPEG files
From YUV4MPEG
fileclay opens YUV4MPEG but doesn’t write it.
All 47 output formats: .mp4, .webm, .mkv, .avi, .mov, .gif, .m4v, .mpeg, .mpg, .ts, .m2ts, .mts, .m2v, .mxf, .ogv, .flv, .vob, .wmv, .asf, .divx, .3gp, .3g2, .ivf, .mp3, .wav, .m4a, .m4b, .ogg, .oga, .opus, .aac, .flac, .aiff, .aif, .wma, .ac3, .mka, .caf, .au, .tta, .wv, .mp2, .png, .jpg, .jpeg, .webp, .bmp
Conversions run in your browser. Files aren’t uploaded.
Questions about YUV4MPEG
Which formats can I convert Y4M files into?
fileclay can write 47 formats from a Y4M file, including MP4, WebM, MKV, AVI, MOV and GIF. Pick any of them as the output format when you drop the file in.