Convert MKV to MP4

The fastest way to save MKV files as MP4. Runs 100% in your browser for maximum privacy.

How to convert

1

Select your MKV

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 MP4

Save your new MP4 file immediately.

Why convert to MP4?

MP4 is the universal standard for video. It works on every iPhone, Android, PC, Mac, and TV without requiring extra software.

Secure Local Conversion

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