Batch convert files to MKV online.
Large files from any format are supported.

You can convert to MKV Learn more about MKV from

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What is MKV?

Extension mkv
Category Video file formats
Developed by Matroska
Mime type video/x-matroska

Description

MKV files are MatrosKa Video files. Like the Russian Matryoshka doll, which contains multiple smaller dolls nested inside each other, the MKV format can contain multiple video, audio, and subtitle tracks inside a single file. This makes it convenient to have one video with a number of audio and subtitle tracks in different languages, all inside a single playable file.

Common questions about converting to MKV

Can I convert to MKV in bulk?

Yes, MConverter supports batch converting to MKV. You can even drag and drop folders to convert to MKV.
Pasting files and folders copied in the clipboard also works: use Ctrl+V.

Can I convert a file to MKV, if its size is 1 GB?

Yes, with MConverter Premium you can convert big files, up to 1 gigabyte each.
The free version lets you convert files up to 100 MB. If you need to convert files over 100 megabytes to MKV, try MConverter Premium.

Is converting to MKV safe with MConverter?

Yes, we encrypt your connection using industry standards. Plus, your files are only accessible by you. 4 hours after the conversion completes, they are automatically deleted from MConverter’s servers. You can also delete your files immediately after finishing the conversion by clicking the bin icon.
Join others who have trusted us to convert over 3,282,420 files so far.

How long does it take to convert a file to MKV?

For most videos, the wait could be a few minutes or less. However, MConverter also supports converting larger videos, meaning that it could take a while (up to over an hour, for example).

Converter to MKV Rating

4.6
90 votes

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Whitney
Dec 6, 2021
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Although there are occasional errors, I was very impressed with the efforts of the developers to receive feedback from users and to improve the inconveniences quickly. I will be using it more often in the future.
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The most fantastic, fastest, best and easiest file converter I have ever had installed on my mobile. You deserve all the praise possible, more than happy, I am super grateful, I will always be grateful to you for this super fantastic application. This super fantastic app has literally saved my life, now I can read novels and books in any format, including pdf, which has very small print, in epub format 🌟🌟🌟🌟🌟 Thank you very much👏👍🤝😊❤️
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Apr 28, 2022
I grab the webm I want to move to my phone and drag it over to the app, I click the type of file I want the webm converted to (mp4), it does it in 10 seconds. easiest 5/5 of my life.
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