To convert a file named to MP4 , you can use several methods depending on whether you want a quick "remux" (changing the container without quality loss) or a full "transcode" (re-encoding to change file size or compatibility). 1. The Fastest Method: Remuxing with FFmpeg
If your goal is to change the format instantly without losing any video or audio quality, "remuxing" is the best option. It simply moves the existing video and audio data from the MKV "box" into an MP4 "box". : FFmpeg (Command-line) Command : ffmpeg -i 00010.mkv -codec copy 00010.mp4
Use HandBrake if you need the video to play on a specific device (like a TV or older tablet) that doesn't support the original MKV's internal encoding.
If you prefer a visual interface and already have VLC Media Player installed, you can use its built-in conversion feature. Open VLC and go to . Click Add to select your 00010.mkv file. Click Convert / Save . In the Profile dropdown, select Video - H.264 + MP3 (MP4) .
: Open the file in HandBrake, choose the MP4 format under the "Summary" tab, and select a preset like "Fast 1080p30".
: HandBrake always re-encodes the video, which takes longer and can slightly reduce quality compared to remuxing.
How to simply convert video files (i.e.: MKV to MP4)? [duplicate]
Click to choose where to save your new file, ensuring the name ends in .mp4 . Click Start . 3. For High Compatibility: HandBrake