: A quick solution if you already have VLC installed.
: This is often the fastest method because it doesn't re-encode the video; it just changes the "container" from MKV to MP4. Open OBS Studio . Go to File > Remux Recordings . Click the three dots (...) to select your MKV file. Click Remux to create the MP4 version instantly. I NEED SEX.mkv.mp4
: Ideal if you need to reduce the file size or ensure high compatibility across all devices. Download HandBrake . Drag your MKV file into the window. In the "Summary" tab, ensure the format is set to MP4 . Click Start Encode . : A quick solution if you already have VLC installed