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Comprehensive Guide: How to Convert MP4 to MKV Without Hassle?

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TL;DR: This guide explains 5 ways to convert MP4 to MKV on Windows, Mac, or online. You can use professional software like Video Converter Ultimate for fast, high-quality, batch conversion, or free tools like VLC, HandBrake, and FFmpeg for more manual control. If you don't want to install anything, CloudConvert lets you convert MP4 to MKV directly in your browser.

If you are looking for the best way to convert MP4 to MKV, you are not alone. MP4 is widely compatible, but MKV offers more flexibility, including support for multiple audio tracks, subtitles, and better container customization. This article will introduce several simple and efficient methods to help you easily convert MP4 to MKV on Windows, Mac, or using online tools.

convert mp4 to mkv

 

Part 1. How to Convert MP4 to MKV via Video Converter Ultimate

Video Converter Ultimate is a professional video converter designed for fast, high-quality, and lossless format conversion. For users who want to batch convert MP4 to MKV with minimal effort, it is one of the most efficient tools available. It supports hardware acceleration, high-resolution output (up to 4K/8K), and advanced editing features, making it ideal for both beginners and professionals.

What can Video Converter Ultimate do for you?

  • Convert MP4 videos to high-quality MKV file formats without losing quality.
  • Support over 1,000 video and audio formats, including M4A, MP4, MP3, MOV, AVI, MKV, and many others.
  • High-quality video compressor, editor, and converter.
  • Automatically optimize the contrast and brightness of videos.
  • Make a video clear by removing dirt-like video noises.
  • Remove the video shaking issue to allow its users to enjoy stable effects.

How do I convert MP4 to MKV without losing quality? Follow the steps below:

01Download and install the software on your Windows or Mac computer. Launch the program, then click "Add Files" to import the MP4 file you want to convert.

add a file

02Open the "Output Format" drop-down menu, go to the "Video" tab, select "MKV", and choose the destination folder for the converted file.

choose mkv

03Click "Convert All" to start the conversion. Once finished, your MKV file will be available in the selected output folder.

convert mp4 to mkv

Part 2. How to Change MP4 to MKV with VLC Media Player

VLC Media Player is a free and open-source media player that also offers basic video format conversion features, making it suitable for light users or occasional conversion needs.

Here is how to convert MP4 to MKV using VLC for free:

Step 1. Launch VLC Media Player and go to "Media" > "Convert/Save".

add mp4 file

Step 2. In the pop-up window, click "Add" to import your MP4 file, then select "Convert/Save".

Step 3. Under "Profile", choose "H.264 + MP3 (MP4)". Click the "wrench" icon and switch the encapsulation format to "MKV" in the "Encapsulation" tab.

Step 4. Click "Browse" to set the output file destination.

Step 5. Click "Start" to begin converting MP4 to MKV using VLC Media Player.

convert mp4 to mkv with vlc

Part 3. How to Convert MP4 to MKV Using HandBrake

HandBrake is a free, open-source video transcoder that can convert videos from almost any format into modern, widely supported codecs. To convert MP4 to MKV using HandBrake, follow the steps below:

Step 1. In HandBrake, click the "Open Source" button in the top-left corner. Then select either "Folder (Batch Scan)" or "File" to import your MP4 video.

Step 2. Go to the "Summary" tab and choose "MKV" from the "Format" drop-down menu. For better output quality, you can also select a preset such as "AV1 MKV 2160p60 4K".

Step 3. After that, click "Browse" to set the output destination path. Finally, click "Start Encode" to begin converting the video.

convert mp4 to mkv using handbrake

Part 4. How to Change MP4 to MKV via FFmpeg

FFmpeg is a free, open-source command-line tool for processing video, audio, and other multimedia files. It does not include a built-in graphical user interface, so users must enter commands manually. This approach is often preferred by advanced users, while beginners may find it more difficult to use.

Here's how to convert MP4 to MKV via FFmpeg:

Step 1. Make sure FFmpeg is installed on your computer first. Then open Command Prompt on Windows or Terminal on macOS.

Step 2. Enter the following command: "ffmpeg -i input.mp4 -c copy output.mkv". (In this command, "input.mp4" is your source MP4 file, and "output.mkv" is the MKV file name you choose.)

Step 3. Press "Enter" to start converting the MP4 file to MKV using FFmpeg.

convert mp4 to mkv with ffmpeg

Part 5. How to Convert MP4 to MKV Online via CloudConvert

If you urgently need an MKV file and don't want to install any third-party software on your PC, you can use any free online video converter. CloudConvert is a web-based tool that lets you convert MP4 to MKV directly in your browser without installing any software.

Here is how to convert MP4 to MKV online for free via CloudConvert:

Step 1. Open the CloudConvert MP4 to MKV website in your browser.

Step 2. Click "Select File" and upload your MP4 video from your computer, Google Drive, Dropbox, or a URL.

Step 3. Choose MKV as the output format and adjust settings like resolution, codec, or audio if needed.

Step 4. Click "Convert" and wait for the process to finish.

Step 5. Download the converted MKV file to your device.

convert mp4 to mkv online free no limit

Sum Up

This article has comprehensively discussed how to convert MP4 to MKV files. You can select the ideal software as per your preference and respective situation. However, Video Converter Ultimate is the best choice because it enables you to convert any media file fast, securely, and easily without affecting the quality of the video.

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