MKVToolnix for Windows

  • Free

  • In English
  • V 71.1.0
  • 3.8

  • Security Status

Softonic review

A free tool to open and edit MKV files

MKVToolnix is an application designed to help users extract and modify MKV files. Short for Matroska, MKV files are gaining popularity around the world because they can compress and store video content without compromising on video quality. Apart from MKV, the free application also supports a range of other file formats, including MP3, MP4, WMV, AVI, FLAC, SRT, and more. 

When you complete the MKVToolnix download, you will notice that the app has a comprehensive set of tools, all of which are necessary for working with MKV files. Users can modify, merge, and extract MKV files. As compared to similar programs like Pazera Free Audio Extractor, Subtitle Edit, AVIAddXSubs, and PopCorn MKV AudioConverter, MKVToolnix free download is the best application for MKV files. 

What is MKVToolnix used for?

MKV, short for Matroska, is a new multimedia file format that aims to become the standard of all multimedia containers. Designed to hold HD video files, Matroska provides better compressibility without losing quality. While it does draw a lot of power, it doesn’t take up too much system space. Furthermore, it features a DVD-like menu, supports subtitles, and includes multiple audio streams.

MKVToolnix is a set of tools that can help extract, merge, and modify MKV files. These tools are known as MKVMerge, MKVExtract, MKVInfo, MKVPropEdit, and more. With the use of these tools, users can extract content from MKV files, create Matroska files, and inspect content contained within. Modifying Matroska files with MKVToolnix is also quite simple.

What is MKVToolnix?

MKVToolnix is less of an application and more of a set of tools that make working with Matroska files easier. Once you download the application, you can access MKV files by clicking on them or loading them into the system tray. The application also lets you view the metadata that’s associated with the MKV files. Users who wish to edit the meta description can do so when desired. 

To extract the contents of MKV files, simply follow a few steps on the app’s interface and access the raw components. Considering that MKV is just an archive container that holds high-quality video files, this feature comes in quite handy. MKVToolnix also includes an option to merge two or more Matroska files when necessary. 

As mentioned earlier, MKVToolnix download for Windows is a set of tools designed for the usage of Matroska files. For simplification, the software provides different profiles for each function. However, the interface for each tool remains the same. That means, all available tools have a different tab but use the same design, menu bar, drop-down options, and buttons to process MKV files.

How do you use MKVToolnix?

MKVToolnix is a beginner-friendly application and easy to use. For starters, you can browse and open different files directly from the platform. The app lets users play videos, add audio tracks, check subtitles, and more. Once you open the file, you can select the sections that you’d like to modify or delete. All you need to do is refer to different options and make the desired changes. 

Does MKVToolnix support other file formats?

When you complete the MKVToolnix download, you’ll notice that the app’s functionalities aren’t limited to MKV files. Instead, all the available tools can work on different formats, including MP4, AVI, MPEG, VC1, OGG, and Dirac. MKVToolnix also works well with audio formats like MP3, MP2, AAC, DTS, AC3, and Vorbis. When it comes to subtitles, the software can read ASS, SRT, SSA, VobSub, SUM, and other similar formats.  

Does MKVToolnix reduce quality?

One of the best parts about downloading MKVToolNix is that it doesn't compromise on quality. The reason behind this is the fact that the application doesn’t support recording, which is often the reason behind quality loss. In addition to this, Matroska files are known for their video quality, which doesn’t lose definition even when compressed. 

Is MKVToolnix safe?

MKVToolnix for Windows is safe to download and isn't bundled with viruses or malware. It is available in a 32 and 64-bit version, so users won't face any trouble running it on different systems. During setup, the application requires only 89.9 MB of free disk space. Once the installation is complete, the application integrates with the Start menu and is also available as a desktop icon.  

Is MKVToolnix free?

MKVToolnix is a free downloadable application for Windows computers. Furthermore, the application doesn’t show any advertisements or premium plans. When it comes to upgrades, MKVToolnix is constantly updated to remove bugs and fix errors. The latest version of the app had added support for reading Dolby Vision and creating blank SRT files.

Are there any drawbacks?

While MKVToolnix is one of the best applications to read Matroska or MKV files, it does have a few drawbacks. For starters, the program doesn’t have an intuitive interface. When looking for specific features, you may have to dig deep and scroll through several menus. Considering that each tool has a separate tab and settings, the interface may seem overwhelming at first

Although the application lacks in design, it makes up for in speed and functions. While complex, the tool is also one of the most comprehensive programs for using MKV files. Since these files are here to stay, MKVToolnix is worth exploring. 

Should I download MKVToolnix?

If you’re looking for a tool that lets you work with MKV files, download MKVToolnix. It is a set of tools that can edit, open, merge, and extract MKV video files. The application is free to download and has a comprehensive interface. It also supports a range of other file formats, including MP3, MP4, ASS, SRT, AVI, MPEG, and more. The only drawback is that the application doesn’t have the most intuitive GUI, making it difficult for beginners to find various features and functions. 


  • Free to download and use
  • Supports a range of files formats
  • Option to edit and merge MKV files
  • Suitable for beginners


  • The interface isn't intuitive

Also available in other platforms

Program available in other languages

MKVToolnix for PC

  • Free

  • In English
  • V 71.1.0
  • 3.8

  • Security Status

User reviews about MKVToolnix

  • Anonymous

    by Anonymous

    Works as expected.
    Does what I wanted it to viz merge an mka file with an mkv file and also remove another mka from it.


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Laws concerning the use of this software vary from country to country. We do not encourage or condone the use of this program if it is in violation of these laws.