In this HowTo i show you 2 ways to convert an mkv video file to mp4. First method in GUI with VLC. To convert correctly we need two programms, VLC and ffmpeg. Open a terminal and enter the line: Code: Select all. sudo apt install vlc ffmpeg -y. Now we can open VLC: Got to the Media Menu and select "converting/save": Add your mkv file: HandBrake is a free and open-source video transcoder that supports a wide range of formats, including MKV and MP4. It offers a range of features, including batch scanning and conversion, chapter markers, and advanced video filtering. VLC Media Player. While primarily known as a media player, VLC also has powerful conversion capabilities. The second method for VLC merge MP4 is to use the VLC command line. First, set up a new folder and move the original MP4 clips into this folder. Holding the “Shift” button, right-click the new folder and choose “Open command window here”. Then type following the command and press “Enter” to enable VLC merge MP4 videos into one. Step 2. Open VLC Media Player and choose “Convert/Save” option from the drop down menu of “Media”. Step 3. Load the 4K video to the player. Once you opened the “Open Media” panel, then you can click the “Add” button to load the 4K video. Then click “Convert” icon at the bottom. Step 4. Step 2: Launch VLC Player. Step 3: Click Tools > Preferences > >Input or Codecs. Step 4: Select Always Fix next to Repair AVI Files. Step 5: Click on Save at the bottom. Now, try playing the AVI file converted from the MP4 or MOV file. This free method should resolve MP4 or MOV files issues. Lawrence_SoCal. Active Member. May 18, 2021. #3. PizaChezburgr said: In Obs go to settings > Output > advanced (at the top there it says output mode) > recording format, and change it to mp4. Just don't EVER do that. ever. unless you like losing recordings. Lots of post on why, so I won't repeat them. Step 1: Add MKV files to the fast MKV converter. Launch the program and click the +Add Files button from the Convert tab to upload MKV files. You can also drag and drop directly. You can edit your added files through Trim, Crop, Apply Effects and other functions. Step 1: Launch TalkHelper Video Converter and from the “Add Media” menu, select the “Add Video File…” option. This will open the File Explorer dialog necessary for you to navigate to the source directory and import the MKV file of interest. Step 2: Choose AVI as the output file format. RxWmE.