Press the "RUN" button to start the conversion process. Here you can choose to hardcode or softcode and set the position and font of the subtitles. Hit the "Add Subtitle File" button to load subtitle(s). You can also use the MKVMaker from Toolbox to pass through the video and audio stream.Ĭlick the "Subtitle" button below the video information. In Audio Codec Options, check the box of "Force Copy". In the pop-up window, set all Video Codec Options to "keep original". To remux MP4 to MKV, click the gear icon named Option. Go to the Video tab at the bottom of the interface, then select MKV H.264 as Target Format. You can also import the files by dragging and dropping them. Load MP4 file(s) to VideoProc Converter.Ĭlick the "+Video" button in the upper left corner to browse and select your MP4 file(s). Choose the "Video" menu on the main interface. Start VideoProc Converter when you download and install the program. VideoProc Converter can always meet your needs, whether you want to convert or remux MP4 to MKV.įor mobile users, click here > How to Convert MP4 to MKV Without Losing Quality In this situation, your best bet is to convert MP4 to MKV with a universal codec, H.264, for example.īut if you want to add an extra subtitle track to the MP4 file, you'd better use a video converter that can remux MP4 to MKV to ensure no loss of video quality in the process. So if your TV can play MKV but not MP4, it is most likely that your TV does not support the codec. Convert MP4 to MKV on Mac / WindowsĪs we said before, MP4 and MKV are just container formats, and MKV is not as good as MP4 in terms of compatibility. So please keep reading, and you'll find out how to convert MP4 to MKV. In the guide below, we cover five ways with different MP4 to MKV converters. It is more flexible than MP4 to support an unlimited number of video/audio tracks, multilingual subtitles, and chapters, all in one single file. And the MKV container shines when you have lots of data streams for one video. Each stream is encoded with some specific codec. People use a container to embed multimedia data streams.
Download an episode of your favorite shows in MP4 format, but it does not work on your TV? Want to add an audio or a subtitle track for a video, but the MP4 format does not support it? In either case, converting MP4 to MKV might work.īut before that, MP4 and MKV are just container formats.
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