How to convert OBS: MKV to MP4 file

OBS is a powerful recording and broadcasting tool. You will be stressed to find paid apps that offer the same features. OBS allows users to add transmissions, create views, switch between views, record desktop audio, and more. By default, the app saves videos to MKV format which, in many video editors, is not supported.

obs mkv mp4


OBS exports files in MKV format and like any other video file format, MKV file can be converted to MP4. You can also change the format that OBS saves by default ie, you can force it to extract an MP4 file and skip the conversion step.

Convert MKV to MP4

There are hundreds of online tools that you can use to convert MKV file to MP4. We recommend that you use CloudConvert.

  1. Visit him CloudConvert.
  2. Click the Select Files button.
  3. Select the MKV file you want to convert.
  4. Click on the wrench icon and change the output file quality if desired.
  5. Click Convert.
  6. Download the modified MP4 file.

Convert output to MP4

It can take time up screen recording, and then download. You are dependent on a web service that may crash, or prevent you from converting too many files. It is always best to use an offline converter. In the case of OBS, however, you can change the output format and skip the conversion step.

  1. Open OBS.
  2. Click on Settings in the right hand column.
  3. Go to the Advanced tab.
  4. Enable the Automatically remux to MP4 option.
  5. Click Submit.
  6. All recordings now export to MP4 files.

Other video formats

OBS does not natively support other output formats. If you prefer to work with, for example, a MOV file, you need to find a conversion tool for the job. You can use CloudConvert or find an offline / desktop tool to get the job done.


The MKV format gives you an HD file, up to the resolution level of your screen. You will not receive 4K resolution video unless your monitor / system supports it. MP4 will be a smaller file, and the quality may be lower. To get a good quality MP4 file, you should have OBS export the file as an MP4 file instead of using a conversion tool for the job. Online conversion tools may not always keep video quality in mind when converting a file. Some also compress files during conversion, which may result in a lower quality file that you can not work with when it comes to editing.

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