Top 5 Methods to Convert MKV to MP3 on Windows/Mac/Linux

Brittany Garcia

February 07, 2024 13:57Posted by to Convert Video, MP3

Sometimes, you will need to turn a video into audio for many purposes. And it happens you have MKV, and you thought, ‘Is it possible to convert MKV to MP3?’ Of course! The MKV format is mostly similar to MP4 in many aspects, such as popularity, usage, and storage. But, since MKV uses a different audio codec, it can be sensitive in converting into an audio file. Well, you are in good hands as here, you will be guided on how to convert MKV with the best tools. With recommended solutions, pick the one you think is the best!

Convert MKV to MP3

Part 1. What is MKV File

MKV is a multimedia format designed to store multiple video, image, audio, and other media files as one file. It is the similar video format to MP4, AVI, and ASF, but MKV’s implementations mostly consist of open-source software storing high-definition videos with chapters, titles, and subtitles. (MKV vs MP4?)

MKV uses various file extensions, such as .mk3d for stereoscopic footage, .mka for audio only, and .mka for subtitles. This also means converting file MKV to MP3 is not impossible.

The MKV format was made in December 2002 by Lasse Kärkkäinen and a team of programmers, and their goal was to store media content with future proof. This means the MKV content will not become outdated, even for a very long time. The developers made sure to include other things upon creating MKV:

Part 2. Top 5 Converters to Change MKV to MP3

Now, you will learn how to convert MKV to another format. Unsurprisingly, you can find more MKV to MP3 converter software on the internet, but the list is cut short to five tools. These are reviewed and tested, and we can say they are the best among the rest. Without further ado, here are the top five converters for .mkv to .mp3.

Video Converter Ultimate

Supported Platforms: Windows 11/10/8.8/7/Vista/XP, macOS Sonoma/Big Sur, etc.

A versatile desktop program that consists of multiple solutions in one platform. Bluraycopys’ Video Converter Ultimate allows you to convert and extract MP3 from MKV with a simple procedure. It is only possible for easy navigation because of its straightforward interface with no add-on required. On the other hand, it supports hundreds of input and output formats, which can be converted to WMA, FLAC, MOV, MP4, WMV, and more. It can also change the encoding formats to H.265/HEVC, VP9, or VP8. Furthermore, the MKV to MP3 converter is the best choice for multiple conversions, assuring peerless speed.

Step 1.Get the software and install it on your PC. Run the application and click the Add button to upload the MKV file. You can also add more uploads for a batch conversion.

Free Download

For Windows

Secure Download

Free Download

for macOS

Secure Download

Step 2.After successfully uploading the files, navigate to the Format list and select the desired format.

Video Converter Add Files

If all uploaded files are to be converted to the same format, it is best to choose from the Convert All to menu.

Video Converter Choose MP3 Output

Step 3.Before converting a large MKV to MP3, select the destination folder from the Save To option below the main window. Then, click the Convert All button to process. After a few minutes, all MKV files are changed to the chosen output format.


  • Convert files with amazing video and audio quality.
  • Provide device presets for compatibility once exported.
  • Support HD videos to convert to other formats.
  • It has other tools for video editing, compressing, and merging.


  • Its free trial version only supports the first 5 minutes.

Free Video Converter Online

Supported Platforms: Safari, Chrome, Firefox, etc.

You can convert MKV to MP3 online for free and unlimited with Free Video Converter Online. It does not require you to sign up, and its website is free from advertisements and interruptions. Even though it is a simple online converter, it is a great online alternative for the desktop version. Moreover, it also provides advanced output settings to change the bitrate, channel, etc.

Free Video Converter Online MKV to MP3

Step 1.From the official website, click the Launch Free Converter button and it will download the required launcher. Once done, click the same button again and upload the MKV file from your device.

Free Video Converter Online Launch Free Converter

Step 2.When the dialog window appears, click the Note icon from the bottom right of the corner and choose MP3 as the output format.

Step 3.Open the output settings to change the audio encoder sample rate, and other settings. Afterwards, click the Convert button and export the file.

Free Video Converter Online Output Convert


  • Support converting various files to ASF, MOV, MP3, ODT, M4V, and more.
  • Provide other tools for encoding, decoding, and formatting.
  • Allow users to change the resolution and quality.


  • No configurable options for converting video to audio.

VLC Media Player

Supported Platforms: Windows, Linux, Mac, Android

For many, VLC is the most feasible media player for any operating system and platform. However, a hidden gem allows you to convert MKV to MP3 using VLC. Other than these formats, the media player also provides a wide range of adjustable options, where you can change the resolution, quality, codec, and so on.

Step 1.Download and install the media player and run it on your device. Head to the Media Menu at the upper left corner and select the Convert/Save option.

Step 2.Click the Add button to upload the MKV file. Proceed to the next window.

Step 3.Select MP3 from the Profile menu and set the folder where you want to save the converted file. Then, click the Start button.

VLC Media Player Convert MKV MP3


  • Simple and easy to convert.
  • No need for a plug-in to convert file MKV to MP3.
  • Decent processing speed.



Supported Platforms: Windows, Mac, Linux

FFmpeg allows you to convert while remuxing and multithreading. The software handles all videos and audio formats, which it can process with its command line. It becomes a great help when you know how to use its parameters.

Step 1.After downloading it, launch FFmpeg to convert MKV to MP3 on your computer and press the Windows and R keys simultaneously.

Step 2.Enter d: to enter the D disk.

Step 3.Then, input the cd mkvFolder to locate the folder with the MKV files. To convert MKV to MP3, enter the required command line: for /R %f IN (*.mkv) Do ffmpeg -i "%f" –c copy "%~nf.mp3" Then the files will be converted immediately.

FFmpeg MKV to MP3 Converter


  • Easily change MKV files to MP3.
  • Completely free and open-source.


  • Too complicated and requires a lot of practice.


Supported Platforms: Firefox, Opera, Chrome, Safari

Another video MKV to MP3 converter with no limit is Zamzar. It is an online tool that offers free and simple conversion. It is a convenient and accessible program without requiring you to create an account. Zamzar is also an excellent solution for other conversions, such as MP4 to MOV, WAV to MP3, and more.

Step 1.From the official website, click the Choose Files button and upload the MKV file. Choose the MP3 output format from the Format list.

Zamzar Convert MKV to MP3

Step 2.Once done, click the Convert Now button. You can tick the Email When Done option to receive it via your email address.


  • A straightforward online converter with many supported formats.
  • Directly share converted files to social platforms or the cloud.
  • Best for converting documents, videos, PPTs, etc.


  • No additional functions for output formats, quality, and codec.
  • Free version only allows 50MB upload.

Part 3. FAQs about MKV to MP3

Wrapping up

MK is a video format that stores information like video, audio, metadata, and subtitles. When you need to extract the audio, it is possible to change MKV to MP3 with the provided solutions in this guide. All mentioned tools are free to use, while you can download and try them on any platform. Share this good news with someone who needs an excellent converter.

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