Convert AVI to MKV
The fastest way to save AVI files as MKV. Runs 100% in your browser for maximum privacy.
How to convert
1
Select your AVI
Drag and drop your file above. No upload needed.
2
Processing
Airlock uses your device's CPU to convert the video data instantly.
3
Download MKV
Save your new MKV file immediately.
Why convert to MKV?
MKV (Matroska) is the choice for archiving. It supports unlimited audio tracks, subtitles, and chapters in a single file.
Secure Local Conversion