Convert MKV to H264 Online — Free & Fast | AnyConv

MKV to H264 Converter

Quickly convert multiple mkv files to h264 — free & online.

Drag & drop your files here or click to upload

How to convert MKV to H264 online

Follow these simple steps to convert mkv files to h264 using AnyConv. It works on all devices — Windows, Mac, Linux, iPhone, Android.

Upload your MKV file

Drag & drop your file into the upload area. You can also click to select it manually. Max file size: 100 MB.

Start converting

Hit the “Convert” button to turn your MKV into H264. The process usually takes just a few seconds.

Download your H264

Once ready, download your converted file instantly. The download link is private and only works on your device.

What is a MKV file?

MKV (Matroska Video) is a flexible, open-standard container format capable of holding unlimited video, audio, subtitle tracks, and metadata. It’s popular for high-quality video content, including HD and Blu-ray rips.

MKV is widely supported and ideal for movies, series, and complex media projects. It’s open-source and favored for its advanced features and strong compression support.

How to open MKV files

MKV files are supported by VLC, MPC-HC, KMPlayer, and many smart TVs and media servers. It's a preferred format for high-definition video and multiple tracks.

Use AnyConv to convert MKV to MP4 or another format for broader compatibility.

Key facts about MKV

  • Full name: Matroska Video File
  • Extension: .mkv
  • MIME type: video/x-matroska
  • Developed by: Matroska.org
  • Initial release: 2002

Useful links and resources

What is a H264 file?

H.264, also known as AVC (Advanced Video Coding), is one of the most widely used video compression standards in the world. It offers excellent video quality at relatively low bitrates and is the backbone of MP4 files.

H.264 is used in everything from Blu-ray discs to online streaming platforms and video conferencing. It remains a standard choice for compatibility and efficient compression.

How to open H264 files

H.264 files are playable in nearly all modern players, including VLC, Windows Media Player, and QuickTime. They are often embedded in MP4 or MKV containers.

Use AnyConv to convert raw H264 streams to MP4 for better compatibility and easier use.

Key facts about H264

  • Full name: H.264 Video Compression
  • Extension: .h264 / .mp4 / .mkv
  • MIME type: video/h264
  • Developed by: ITU-T, ISO/IEC
  • Initial release: 2003

Useful links and resources

Convert from MKV

Need to change your MKV files to a different format? Below are all the available tools to help you turn MKV into the format you need.

Convert to H264

Want to get a file in H264 format? Choose the original format you’re starting with — AnyConv can quickly convert dozens of file types into H264.

❓ Frequently Asked Questions

Answers to common questions about converting MKV to H264
  • Do I need to register to convert MKV files?
    Not at all! You can convert MKV to H264 without signing up or installing anything.
  • Is it safe to convert MKV to H264 on AnyConv?
    Absolutely. All MKV and H264 files are securely handled and automatically deleted after 1 hour. Nobody can access your data.
  • Will the quality change after converting MKV to H264?
    We do our best to preserve the original quality during MKV to H264 conversion. The result is accurate and clean.
  • How long does it take to convert MKV to H264?
    Most conversions from MKV to H264 take just a few seconds — even for larger files.
  • Can I upload more than one MKV file?
    Yes, batch conversion is supported. You can convert multiple MKV files to H264 at once — fast and easy.
  • What browsers support MKV to H264 conversion?
    All modern browsers! Chrome, Firefox, Safari, Edge — AnyConv runs online and supports converting MKV to H264 on any platform.