Conversion
Convert AVI MKV
Free online AVI video to MKV video converter. Lossy (size-optimized) quality, processed server-side, no signup required.
Convert AVI to MKV now ffmpeg Business Lossy (size-optimized) ~8.0s per MB
How to convert AVI to MKV
- 1
Open the converter
Click the button above — the workspace opens with AVI pre-selected as your source and MKV as your target.
- 2
Drop your AVI video
Drag and drop, or click to browse. Your file is uploaded over HTTPS and processed on our private servers — never shared with third parties.
- 3
Download the MKV video
The result downloads automatically when conversion finishes. Powered by ffmpeg — the same engine used by professional studios.