1
Upload MKVChoose the MKV file you want to convert.
2
Review File
3
Convert to MP4
4
Download MP4
video Converter• 100% Client-Side

MKV to MP4 Converter

Convert MKV files into universal MP4 with H.264 video and AAC audio.

mkv→mp4

Drop MKV file(s) here, or browse

Supports single or multiple batch conversion

Private by Design

Your files are processed directly on your device using WebAssembly, HTML5 Canvas, and client-side runtimes.

No server upload No cloud copy 100% local processing
How To Convert

How to Convert MKV to MP4

Step 1

Upload MKV

Choose the MKV file you want to convert.

Step 2

Review File

Check the file information and conversion options.

Step 3

Convert to MP4

Start the local MKV to MP4 conversion.

Step 4

Download MP4

Download your converted MP4 file.

Frequently Asked Questions

Questions about MKV to MP4 Conversion

Does it support subtitle tracks?

The primary video and audio streams are preserved and transcoded cleanly into MP4.