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MP4 to MKV Converter Online Free

Convert MP4 to MKV or other video formats for free

Get Enhanced Settings on Pro Video Converter

Convert Video to Any Format with the 4K Video Converter
  • Convert video to MP4, AVI, MOV, or other 1000+ formats
  • Enhance video quality, trim, and crop video in 1 click
  • Convert video format in batches at 60X faster speed

Best MP4 to MKV Converter

While the MP4 format is widely used today, MKV is another option for those who need a container packing multiple audio tracks and subtitles in various languages. Thus, our video converter comes in handy.

  • Free MP4 to MKV Converter

    As an excellent MP4 to MKV file converter, one powerful function is that it offers a free conversion service. That means you can get converted as much as possible.

  • Convert MP4 to MKV Online

    Since our VeeLark MP4 to MKV Converter is online, you can use it without having to install any app and without logging in or creating an account even more.

  • Fast MP4 to MKV File Converter

    The good news is that our tool boasts a fast conversion speed. Applying the high-speed video process algorithms, rapidly converting MP4 to MKV file is a doddle.

How to Convert MP4 to MKV free online?

  • Upload the file

    Step 1. Upload MP4 File

    Import the MP4 file you wish to convert by clicking on the Upload File button.

  • Convert the Video

    Step 2. Convert MP4 to MKV

    Select MKV as the target format from the dropdown list and hit "Convert."

  • Save & Export

    Step 3. Download MKV File

    After that, click on the Download button to save the newly converted .mkv file.

Why Us - Unique Features of MP4 to MKV Video Converter

  • Easy to Use

    With its simple user interface, you can easily get MP4 to MKV conversion. No any complex settings bother you.

  • Multiple Popular Formats

    Our MP4 to MKV Converter Free supports importing & exporting over 250 video formats. You can choose as you need.

  • Safe & Reliable

    During the conversion process, our tool takes care of your files out of harm and will delete uploaded files within 2 hours.


  • 1. Is it free to convert MP4 to MKV?

    Sure! It's 100% free. We guarantee that there are no hidden charges during the conversion process. You can change MP4 to MKV for free on our online service at ease.

  • 2. What is the best way to convert file from MP4 to MKV quickly?

    The best conversion experience is our top concern. Thus, for the sake of offering the fastest way to convert MP4 to MKV online within a few seconds, we provide the most powerful servers to ensure the conversion is faster than other common online tools.

  • 3. How to convert MP4 to MKV without losing quality?

    Wish to change MP4 to MKV without losing quality? Our best MP4 to MKV converter is exactly the top option for you. In the MP4 to MKV conversion process, we won't compress any size or quality of your file. Simply upload your MP4 file to the conversion box and click on the Convert button to get the desired MKV file.

  • 4. Can I turn MP4 into MKV on Windows?

    Of course! The best free MP4 to MKV video converter works perfectly on any desktop or mobile device. Thus, it helps you convert MP4 to MKV on Android, iPhone, Windows, Mac, etc.

  • 5. What media player can open .mkv file?

    The VLC media player is the best way to open and play the .mkv file, which is the default media player of this type of format.

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Last updated: 2024-06-03

 > Pro Video Converter > MP4 to MKV