Smart Converter
Video Converter

Convert MKV to MP4 Online

Convert MKV video files to widely compatible MP4 format. Perfect for playing Matroska videos on devices and platforms that only support MP4.

Launch MKV to MP4 Converter

How to Convert MKV to MP4

  1. 1

    Open the Video Converter in the workspace.

  2. 2

    Upload your MKV file.

  3. 3

    Select MPEG-4 Video (.mp4) as the output format.

  4. 4

    Convert and download your MP4 video.

Why Use Smart Converter for MKV to MP4 Converter

100% Private

All conversions happen directly in your browser using WebAssembly. Your files never leave your device.

No File Size Limits

Since processing is local, your only limit is your device's available memory. No arbitrary upload caps.

Lightning Fast

No upload or download times. Processing starts immediately with optimized WebAssembly codecs.

Completely Free

No hidden charges, no premium tiers, no usage limits. All features are available to everyone.

Frequently Asked Questions

What is MKV?

MKV (Matroska Video) is a flexible container format popular for high-definition video, often used for Blu-ray rips and HD content.

Is MP4 better than MKV?

MP4 has broader device and platform support. MKV supports more advanced features like multiple audio tracks and subtitles.

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