AVI
AVI video files for playback testing
Test AVI playback, uploads, RIFF structure, codec inspection, frame rate, and MIME detection with signature checks and local video workflows.
Verified . AVI RIFF signatures are checked with the local file inspector; codec, frame rate, and seeking checks run against real AVI inputs, while browser-playable baselines come from MP4 and WebM fixtures.
Identify AVI files
- Magic signature
52 49 46 46 · 41 56 49 20 (RIFF…AVI)- Registered MIME
video/x-msvideo
AVI is a RIFF container with LIST chunks for headers, streams, and an optional index. Players need the stream headers and codec data, so a valid RIFF header alone does not guarantee playback or seeking.
Choosing AVI
AVI is a RIFF container common in Windows and capture workflows, but browser playback depends on the contained codec. The local generator does not produce AVI files, so validate AVI inputs with the file inspector and compare against MP4 and WebM fixtures for browser playback.
Use AVI for legacy capture and Windows-originated uploads, not as a web delivery baseline.
Inspect the contained video and audio codecs instead of trusting the RIFF header.
Check frame rate, index, and audio sync separately from container validity.
Common test cases
- Legacy video upload validation
- Codec and RIFF inspection
- Cross-container conversion
Invalid and boundary cases
- Valid RIFF header with an unsupported codec
- Missing index with broken seeking
- Audio and video streams out of sync
AVI fixture matrix
This format is generated locally in the browser and does not receive a permanent SEO URL.
Open the local generator