AVI Converter
Convert files to and from AVI — free, online, no signup.
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AVI (Audio Video Interleave) is a video container Microsoft introduced in 1992. One of the oldest video formats still in circulation, it lacks modern features like streaming support and efficient codecs, so old AVI files are usually converted to MP4 for use on today's devices.
| Full name | Audio Video Interleave |
| Developer | Microsoft |
| Released | 1992 |
| Type | Media container |
| Typical use | legacy video files, old camera footage |
| MIME | video/x-msvideo |
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Frequently asked questions
How do I open a AVI file?
AVI (Audio Video Interleave) is a video container Microsoft introduced in 1992. One of the oldest video formats still in circulation, it lacks modern features like streaming support and efficient codecs, so old AVI files are usually converted to MP4 for use on today's devices. If a device refuses to open it, the fastest fix is converting it to a more universal format with the converter above.
Is converting AVI files free?
Yes — 10 conversions a day with files up to 200 MB, free, with no signup and no watermarks.