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A Detailed Guideline on How to Compress MKV File

In our world that video-making dominates the entertainment industry, movies and series seen and streamed on the internet are increasingly using MKV extension. Due to its ability to contain higher-quality videos such as 1080p, this is a perfect container to store media files. However, this ability may cause inconvenience sometimes. Due to high-definition videos, some of our devices such as Smartphones, Pen Drives, desktop storage, can only store a few MKV videos. And normally, we tend to rely on different MKV video compressors that will help us to compress MKV files. Though, sometimes we use emails or pictures like Xarchiver, WinRAR, WinZip, 7-zip, etc., to compress MKV we still do need a professional MKV video compressor to do the job. This article collected detailed steps to compress MKV videos into smaller sizes using the solutions mentioned below. Check them out to learn more.

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The Best Ways to Compress MKV File without Losing Quality

Supported Formats: MP4, MKV, AVI, WMV, H.264, MKV, 3GP, FLV, SWF, HTML5, etc.
Supported Platforms: Windows 8/10, Mac OS X 10.10 or above
Output Presets: Video presets are provided to turn input videos into a portable format purposely for mobile media players such as iPhone, iPad, Samsung, HTC, Blackberry, Sony, Motorola, LG, Android, and more.

When we are talking about the best tool to shrink MKV files, AceThinker Video Master will come in handy. This tool can combine and turn videos, photos, and music into a cinematic and Hollywood-looking video output with its understandable interface. If you are looking for a great video compressor for vlogs this tool will do the job. Whether you are making how-to videos, family vlogs, educational demos, and more, this tool can compress them all into smaller sizes. Aside from that, it has a built ion video editor that users can utilize. Its basic editing features are comprehensive to use; some of these are trimming and cutting clips, merging and splitting footage, and even cropping and rotating video aspects. Furthermore, It can compress high-quality videos such as 1080p and 4K into smaller file sizes while preserving the original quality. The finest feature about this tool is its ability to compress multiple video files at the same time by using its Batch Conversion feature.

Step 1 Install MKV Compressor

To get started, download and install the MKV video compressor by clicking the download button below. The set-up process is quite simple; pass through the installation wizard and the system will analyze the software. When the installation is complete, the tool’s interface will pop up. If you already bought the license key enter it on the tools registration process. If not, you can give it a shot by clicking the "Evaluate" button in the pop-up window. Then, familiarize its functionality and features.

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vm interface

Step 2 Import MKV Files

Next, go to the “Toolbox” panel to locate the video compressor feature. Click on its button, and a new window will appear. Tick the plus sign located at the centermost part of the popup window, and you will be directed to your device’s folder. Browse over to the MKV files or folders and click the OK button to continue.

compress mkv vm import

Step 3 Compress MKV Files

Once the video has been imported, the compression panel will appear. It allows users to use different video presets including the file size, formats, resolution, and bitrate. If you are still hesitant about the output appearance if you compress the video with specific file size, you utilize the preview feature to check the output product of the compressed MKV files. Click the compress button to initiate the compressing process.

compress mkv vm compress

Step 4 Play the Compressed MKV files

Lastly, after the compression process, go to the output folder of the tool. Look over your compressed MKV file. Double click the video to preview and play the file. To compress MKV files again, follow through with the guidelines mentioned above.

compress mkv vm play

Alternative Tools to Reduce MKV File Size for Free

1. AceThinker Free Online Video Compressor

Supported Formats: MP4, MKV, AVI, MOV, WMV, and more
Supported Platforms: Web browsers such as Chrome, Firefox, Internet Explorer, etc.
Output Presets: Video presets are available on this web-based tool to turn videos into portable devices such as mobile phones, iPhone, iPad, Samsung, HTC, etc.

AceThinker Free Online Video Compressor is a web-based tool that enables users to convert and compress video files into smaller file sizes. This tool will work without relying on any software or desktop application. It only needs good internet connectivity to function its features smoothly. The great thing is, it is completely free and no dime is needed to utilize its compressing features. Aside from that, no registration is needed to access the tool. Eventhough it is not equipped with editing tools. Users does not have to trim, crop, and cut the video to reduce its file size. Beneath are the listed steps on how to compress MKV video with this online tool.

  • First, click the Compress Video and navigate on your device’s folder to locate the MKV videos. Then, once selected, click the OK button to import the video.
  • Next, choose an output format for the video. You can also select from one of its video presets that is compatible with your device.
  • Lastly, hit compress to start the process. Save the compressed MKV files on your device when it is done.

fvco compress

2. Handbrake

Supported Formats: MP4 or M4V, MKV, MOV, MPG or MPEG, AVI, WMV, and more
Supported Platforms: Mac, Windows, and Linux.
Output Presets: The default video preset of the Handbrake is 1080p. However, users can create their video preset by clicking the ADD button on the preset lane.

Handbrake is a popular open-source video transcoder purposely developed for digital video files. It contains dedicated hardware for video encoding and decoding thus making it power-efficient and effective in compressing video files. By altering the bit rate of the video, users can customize and compress MKV files while retaining the constant quality or original quality. Additionally, it adopts some features like deinterlacing, scaling, cropping, and detelecine, which can be used automatically and manually. Moreover, due to its customizable video presets users can compress video perfectly to play MKV on Android, iPhone, and other portable devices. Below are the steps and guidelines to use this tool as an MKV file compressor.

  • First, install the Handbrake on your device, follow through with the installation wizard to finish the process.
  • Next, import the MKV files on the tool by clicking the “Open file” button and select the video you want to compress. Utilize and modify different video presets to compress the MKV file. Some of these are bit rate, video codec, aspect ratio, and more.
  • Lastly, click the start button to initiate the process. When the process is complete locate the compressed file to play and preview it on your device.

compress mkv handbrake

3. FreeConvert

Supported Formats: MP4, MKV, MOV, MPG or MPEG, AVI, and more
Supported Platforms: Web browsers such as Chrome, Firefox, Internet Explorer, etc.
Output Presets: No output video preset.

FreeConvert is another online tool to compress MKV file into smaller file sizes. It has a maximum input file size of 1GB thus movies and music videos are perfect and suitable to compress here. Users can choose MKV files from different cloud-based storage such as Dropbox, Google Drive, and from the device storage. It can also compress video online by pasting the URL of the video that you wanted to compress and download. Furthermore, it has two video codec; H264 and H 265. These codecs can reduce video sizes up to 20-75% more while preserving the original quality of the video. Moreover, users can compress video with its four compressing methods. These methods are "Target a file size," "Target a video quality," "Target a video resolution," and "Target a max bitrate."

  • First, access the online tool on your web browser then click the Choose File button.
  • Next, browse over on your device to locate the MKV file. Click the OK button to import the file on the web-based tool.
  • Lastly, modify the file size by utilizing the four compressing methods. Click the Compress now to initiate the process. When it is finished download the output file.

compress mkv freeconvert


Supported Formats: MP4, MKV, MOV, and more
Supported Platforms: Web browsers such as Chrome, Firefox, etc.
Output Presets: No output video preset.

Last on the list is This web-based tool can compress and reduce MKV files online for free without losing the original quality. This tool can import MKv files from different cloud-based storage such as Dropbox, and etc. Not only that, but this tool can also compress online videos and download them directly on your device. Moreover, within a few hours after the compression process has finished, the tool’s server will automatically delete the input files on its system for security and privacy purposes.

  • First, open the web-based tool by accessing it on your web browsers.
  • Next, click the Choose Video to import your MKV files. Once uploaded, utilize different compressing features such as trim, crop, etc., to reduce the file size of your video.
  • Lastly, once the video has been reduced according to your preference. Click the Compress file button to initiate the process. Click the download button to save it.

compress mkv veedio

Comparison Chart

Tools Target Audience Limitation
AceThinker Video Master Basic, prosumer, professionals. Not available on mobile devices.
AceThinker Free Video Converter Online Basic, prosumer, professionals. Slow to import process.
Handbrake Prosumer, professionals. The interface is too complicated, not perfect for beginners.
FreeConvert Basic, prosumer Too many advertisements. Prosumer The input video should have less than 10 mins of duration.
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