FAST_SECURE_FREE

This tool uses high-performance WebAssembly technology to process Matroska Video data into high-quality Flash Video files.

Privacy: 100% PRIVATE. No data ever leaves your browser. All processing happens locally on your device.

HOW_IT_WORKS

Q: How to convert MKV to FLV?

A: Simply drag and drop your MKV file into our converter, select the output settings, and download your FLV file instantly.

Q: Is this converter free?

A: Yes, Drift Labs is 100% free and open source. There are no subscriptions or hidden fees.

Q: Is it safe to convert files here?

A: Completely. Unlike other converters, your files are processed locally in your browser. Nothing is ever uploaded to a server.