Free Online Compress MKV file

Upload MKV file to compress.

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Aspose.Audio Video Compress

Compress MKV files online for free. Powerful Free Online MKV document compressor is easy. No desktop software installation required. All compressor you can make online from any platform: Windows, Linux, macOS and Android.
In terms of accessibility, you may use our online MKV compressor tools to handle MKV files on any operating system. Whether you’re on a MacBook, Windows machine, or even a handheld mobile device, the MKV compressor is always awaible online, for your convenience.

How to compress mkv files

  • Click inside the file drop area to upload a mkv file or drag & drop a mkv file.
  • Your mkv file will be uploaded and will be compressed.
  • Download link of result file will be available instantly.
  • You can also send a link to the mkv file to your email address.
  • Note that file will be deleted from our servers after 24 hours and download links will stop working after this time period.


  • 1

    ❓ How can I compress MKV file

    First, you need to upload a MKV file, drag & drop your MKV file or click inside the white area for choose a file. Then click the "Compress" button.
  • 2

    ⏱️ Why does the compress take a little longer than I expected?

    Compress big files can take some time, as the compression process usually requires encoding and decoding the data.
  • 3

    🛡 Is it safe to upload my MKV file to Aspose.Video Compress app?

    Of course! The file will be available instantly after uploaded. We delete uploaded files after 24 hours and the download links and the viewer link will stop working after this period.
  • 4

    💻 Can I compress MKV file on linux, Mac OS or Android?

    Yes, you can use free Aspose.Video Compress app on any operating system that has a web browser. Our Compress app works online and does not require any software installation.
Fast and Easy compress

Fast and Easy compress

Upload your file, then click on “Compress” button. You will get the download link as soon as the file is processed.

Compress from Anywhere

Compress from Anywhere

It works from all platforms including Windows, Mac, Android and iOS. All files are processed on our servers. No plugin or software installation required for you.

Compress Quality

Compress Quality

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The most popular video file formats to compress

You can also compress other video file formats. Please see the list below.

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