What is a .AVI file?
AVI is a classic Microsoft video container.
- Did you know
- Microsoft created AVI in 1992 as part of Video for Windows.
- AVI is a specific application of Microsoft’s RIFF container, the same chunk-based wrapper used by the WAV audio format.
- Its age shows in limitations such as awkward support for modern features like subtitles and variable frame rate that newer containers handle natively.
- On the web a .AVI file is served with the MIME type
video/x-msvideo. - Analyser spots a .AVI file by its signature bytes
52 49 46 46- the "RIFF" container tag.
- What Analyser shows you
- Read the container, codec, resolution, and frame rate of MP4, MOV, MKV, AVI, and WebM video, step through frames, and extract the audio track. Raw H.264/H.265 elementary streams (.h264/.265) are remuxed to MP4 in-browser so they play too.
- Open a .AVI file
- Drag a .AVI file onto the Analyser home page (or tap to pick one). It opens entirely in your browser - nothing is uploaded, there is no account, and it works offline once installed.