Choose Files:


Drop MKV files here
(Up to 5 files, 200 MB each.)

Compression Settings:

Output Files:

To compress all output files in a ZIP file, click "" icon on the right, then click "Add to ZIP". To download one single file, simply right-click on file link and click "Save link as...".

File Name Original Size Output Size Size Compressed Actions

How to compress MKV files:

  1. Settings

    Set MKV video quality first. MKV video quality value can be 1 (lowest video quality and highest compression) to 100 (best quality but least effective compression). You can also select "Change specific video parameters" option to set video size, bitrate, frame rate, aspect, etc. All audio tracks in video file can be removed, this will significantly reduce file size.

  2. Add Files

    Drag multiple MKV files to the "Choose Files" section. Each MKV file size can be up to 200 MB.

  3. Compress Files

    The batch compression automatically starts when files are uploaded. Please be patient while files are uploading or compressing.

  4. Output Files

    The output files will be listed in the "Output Files" section. To compress all output files in a ZIP file, click "" icon on the right, then click "Add to ZIP". You can right-click on file name and click "Save link as..." to save the file. The output files will be automatically deleted on our server in two hours, so please download them to your computer or save them to online storage services such as Google Drive or Dropbox as soon as possible.

About:

The Matroska Multimedia Container is a free, open-standard container format, a file format that can hold an unlimited number of video, audio, picture, or subtitle tracks in one file. It is a universal format for storing common multimedia content, like movies or TV shows. Matroska is similar in concept to other containers like AVI, MP4, or Advanced Systems Format (ASF), but is entirely open in specification, with implementations consisting mostly of open source software.

The exclusive "Overall Video Quality" option on our website is inspired by the "JPEG Quality" option in image compression. It's more intuitive than setting all kinds of video parameters such as video size, bitrate, frame rate or aspect.

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