Convert MKV to AVI
Free, fast and secure — convert MKV to AVI right in your browser.
Convert MKV to AVI for wider compatibility
Converting MKV to AVI gives you a more widely supported file that opens cleanly across more devices, apps and platforms — handy when MKV will not play nicely everywhere.
How to convert MKV to AVI
- 1 Drop your MKV file into the converter above.
- 2 It is converted to AVI automatically — no settings to fiddle with.
- 3 Download your new AVI file instantly.
MKV vs AVI
| Feature | MKV | AVI |
|---|---|---|
| Compression | Lossy | Lossy |
| Transparency | No | No |
| Animation | Yes | Yes |
| MIME type | video/x-matroska | video/x-msvideo |
| Best for | Archiving high-quality video with multiple tracks — converted to MP4 for everyday playback. | Legacy desktop video — usually converted to MP4 for sharing and streaming. |
About the formats
Matroska video
MKV (Matroska) is a flexible open container that can bundle many video, audio and subtitle tracks in one file. It is popular for high-quality archives and media libraries.
Strengths
- Holds multiple audio/subtitle tracks
- Open and future-proof
- Great for high-quality storage
Limitations
- Not supported on many phones/browsers
- Often needs converting to play
- Larger than streaming formats
Best for: Archiving high-quality video with multiple tracks — converted to MP4 for everyday playback.
AVI video
AVI is a long-standing Microsoft container. It is widely readable on desktops and can store high-quality video, but its files are large and it lacks modern streaming features.
Strengths
- Broad desktop compatibility
- Simple, well-understood format
- Can hold high-quality video
Limitations
- Large file sizes
- No modern streaming features
- Weak mobile/browser support
Best for: Legacy desktop video — usually converted to MP4 for sharing and streaming.