MKV to H264 Converter

Batch convert mkv files to h264 online. Change mkv to h264 on Windows, Mac, iPhone and Android in 2 clicks.

Select files for conversion or drag and drop them to the upload area.
Your files are securely protected and available only to you.
All files are automatically deleted from our servers after 1 hour.

How to convert MKV files to H264 online?

Step-by-step instructions for converting mkv files to h264

Upload MKV-file

Click "Choose File" button to select a mkv file on your computer. MKV file size can be up to 100 Mb.

Convert MKV to H264

Click "Convert" button to start conversion.

Download your H264

When the conversion process is complete, you can download the H264 file.


  • ❓ How can I convert MKV to H264?
    First you need to add file for conversion: drag and drop your MKV file or click the "Choose File" button. Then click the "Convert" button. When MKV to H264 conversion is completed, you can download your H264 file.
  • ⏱️ How long does it take to convert MKV to H264?
    Video conversion takes quite a while. It will probably take you a few minutes to change MKV to H264.
  • 🛡️ Is it safe to convert MKV to H264 on AnyConv?
    Of course! We delete uploaded files immediately, and converted ones after 1 hour. No one has access to your files. File conversion (including MKV to H264) is absolutely safe.
  • 💻 Can I convert MKV to H264 on Mac OS or Linux?
    Yes, you can use AnyConv on any operating system that has a web browser. Our MKV to H264 converter works online and does not require software installation.

Information about MKV and H264 file formats

Name MKV H264
Full name MKV - Matroska H.264 Video
File extension .mkv, .mk3d, .mka, .mks .h264
MIME type video/x-matroska, audio/x-matroska
Developed by ITU-T, ISO, IEC, VCEG, MPEG
Type of format Container format
Description The Matroska Multimedia Container is an open standard free container format, a file format that can hold an unlimited number of video, audio, picture, or subtitle tracks in one file. It is intended to serve as a universal format for storing common multimedia content, like movies or TV shows. H.264 is a video compression standard based on block-oriented, motion-compensated coding. It is by far the most commonly used format for the recording, compressing, and distributing of video content, used by 91% of video industry developers as of September 2019. It supports resolutions up to 8K UHD. The H.264 video format has a broad application range covering all forms of digitally compressed video, from low-bit-rate Internet streaming applications to HDTV broadcast and Digital Cinema applications with nearly lossless coding.
Technical details 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.
File conversion MKV conversion H264 conversion
Associated programs VLC Media Player VLC media player, Apple QuickTime, MPlayer, Cyberlink PowerDVD