Convert MKV to MP4 in bulk.
Large MKV files are supported.

Max size: 200 MB per file

You can convert MKV Learn more about MKV files to

Video
Audio
Image


How to convert MKV to MP4?

You can convert MKV to MP4 with MConverter in three easy steps:
  1. Choose MKV files from your device
    At the top of this page, drag and drop your MKVs.
    You can also click to select MKV files using your operating system's file picker.
    Another method is to press the keyboard shortcut Ctrl+V (⌘+V on Mac) to paste an MKV file you have copied to clipboard.
    Converting a folder with MKV files to MP4 is also supported: simply paste or drag and drop it.
  2. Click or tap on MP4 from the list of target formats
    Alternatively, you can use the search field to quickly find the format you need, whether it's MP4 or something else.
  3. Download your MP4 files, after MConverter has finished processing them
    There's an option to automatically download the converted MP4 files, so you don't have to press the download icon for each MP4.
    You may see a share icon as well. Use it to directly share the MP4's with other apps.

About the formats

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.
Extension mp4
Category Video file formats
Developed by MPEG (Moving Picture Experts Group)
Mime type video/mp4

Description

MP4 (short for MPEG-4 Part 14) files store multimedia - video, audio and subtitles. Websites frequently use them for displaying videos because the MP4 format is universally supported.
However, newer video formats, such as WebM, produce smaller file sizes with almost no quality loss. Therefore, you can free up storage by converting your videos to WebM.

Common questions about converting MKV to MP4

Can I convert MKV to MP4 in bulk?

Yes, MConverter supports batch converting of multiple MKVs to MP4's simultaneously. You can even drag and drop folders containing MKVs to convert to MP4.
Pasting MKV files and folders copied in the clipboard also works: use Ctrl+V.

Can I convert an MKV file to MP4, if its size is 1 GB?

Yes, with MConverter Premium you can convert big MKVs, up to 1 gigabyte each.
The free version lets you convert files up to 200 MB. If you need to convert MKV files over 200 megabytes, try MConverter Premium.

Is converting MKVs to MP4 safe with MConverter?

Yes, we encrypt your connection using industry standards. Plus, your MKV files are only accessible by you. 24 hours after the conversion completes, they are automatically deleted from MConverter’s servers. You can also delete your MKVs and other converted files immediately after finishing the conversion by clicking the bin icon.
Join others who have trusted us to convert over 2,843,194 files so far.

How long does it take to convert MKV to MP4?

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).


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