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MKV to MP4 converter

Convert MKV to MP4 online from any device with a free converter.

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We have already processed 5,838,250 files with total size of 9,547,833 Mbytes

About Video converter

Convert MKV to MP4 files online with our free video converter app. No matter your platform — Windows 10, Mac or iPhone — you can convert MKV audio files with any resolution rapidly.

The most popular video formats are MP4, AVI, MKV, and MOV. MP4 is the most widely supported, balancing quality and file size, while AVI and MKV offer flexibility for high-quality playback, and MOV is optimized for Apple devices. Video files can be edited using video editing software such as Adobe Premiere Pro, Final Cut Pro, or DaVinci Resolve.

Change MKV to MP4 in seconds — drop your file into the upload form, pick MP4 as the output, and hit Convert. Download the result video file right after conversion.

Check our video
MKV

Matroska Video file format

MKV (Matroska Video File) is an open, flexible multimedia container format designed to store video, audio, subtitles, and metadata in a single file. It is widely supported by media players like VLC, MPC-HC, and tools such as MKVToolNix for editing and muxing. The format uses EBML (Extensible Binary Meta Language) for its structure, enabling advanced features like chapter support, multiple audio tracks, and seamless streaming capabilities.

MP4

MPEG-4 file format

MP4 (MPEG-4 Video File) is a widely used digital multimedia container format designed to store video, audio, subtitles, and images, offering high compression efficiency and compatibility across devices. It is supported by popular media players like VLC, QuickTime, and Windows Media Player, as well as editing tools such as Adobe Premiere Pro and Final Cut Pro. The format uses a hierarchical structure with boxes (or atoms) to organize data, supporting advanced features like streaming, metadata embedding, and DRM (Digital Rights Management) for secure content distribution.

Add the conversion API to your app

  • Convert over 200 file formats — including PDF, Word, Excel, HTML, images, and many more
  • Load files from disk, URLs, FTP servers, or cloud storage (such as Amazon S3 or Azure)
  • Customize output settings — rotate and reorder pages, add comments, or apply watermarks
How it works

How to convert MKV to MP4

Step 1
Click inside the file drop area to upload MKV file or drag & drop MKV file.
Step 2
Click on Convert button. Your MKV files will be uploaded and converted to MP4 result format.
Step 3
Download link of result files will be available instantly after conversion.
Step 4
You can also send a link to the MP4 file to your email address.
FAQ

Questions & Answers

Other Supported Conversions

You can also convert MKV into many other file formats. Please see the complete list below.

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