Top 5 Free Ways to Convert MKV to MP3 Audio

Based on WebM video, MKV is a high-quality and open video format for the web, open source player, handheld devices, including Blu-ray Player and PS5/4 console, and wide acceptance for different formats, like AC3 aka Dolby Digital and VobSub DVD subtitles. Also it embraces high efficient bandwidth usage and lower storage requirements such that you can save band resource and hard disk space.

That being said, you just need audio out of MKV video now and then. To meet such demand, there are countless ways to go on Google results. Yet, your time and energy is limited. Thus, you have to make a choice. We'd like to do you a favor to help you take the essence and discard the dregs. There are 5 free MKV to MP3 audio converter standing out from the crowd. It's no harm to first have a look.

Table of Contents

Part 1. Top 5 Free MKV to MP3 Converters

• #1. Winxvideo AI
• #2. Filehippo
• #3. VLC player
• #4. CloudConvert
• #5. Convertio

Part 2. How to Convert MKV to MP3 for Free Easily

Part 1. Top 5 MKV to MP3 Auido Converters

#1. Winxvideo AI

Winxvideo AI can convert MKV to MP3 128kbps/192kbps/256kbps high quality! It got reviewed by many large and famous technical websites. Like what are said on download.cnet, safety comes first, and this video converter freeware is not bundled with any suspicious plugins nor toolbar while supporting 4K/1080p multi-track HD MKV video.

Moreover, it has 370+ built-in video & audio codes to accept other formats like M2TS, AVCHD, HDTV and BDAV, and standard AVI, MP4, H.264, WMV, MPEG, MOV, FLV, 3GP, QT, TS, MOD and TOD. The complete and classified profiles enable you to convert videos to iPhone, iPad, Android or other devices directly. Uniquely, it is the rare MKV to MP3 video converter with De-interlacing Engine and High Quality Engine that can optimize resulting quality maximally.

#2. MKV to MP3 Converter Filehippo

Don't get misunderstood. MKV to MP3 converter filehippo is not a specific converter tool. Instead, it's an open source software download site, providing you with a wide selection of free video to audio converters. You can find Free Video to MP3 Converter, Free Video to Audio Converter, Any Video Converter and more software thereon. Here takes Free Video to MP3 Converter for detailed introduction.

Only designed for Windows users, this free MKV to MP3 audio extractor claims to make MKV to MP3 or WAV with lossless quality. To further ensure the resulting audio file quality, it features Preset Editor to let you customize its pre-configured profiles via "Quality" menu so as to better fit your playback device with best audio quality.

No matter what it says on Filehippo or its official product page, the so-called "lossless quality" doesn't exit once it comes to video transcoding. So be rational in terms of lossless resulting quality (lossy data compression is common). Certainly, in general, this free audio extractor is absolutely a qualified tool, letting you also decode MKV to AVI, IFV, MOV, MP4, WMV modern formats. More MKV to MP3 audio free converters are available on this site if you need more output format profiles.

#3. VLC player

Don't look anywhere else or download any tools if you've already installed VLC player on your Windows or macOS. A video to audio converter role can also be well played by VLC player.

The below screenshot clearly explains the output formats VLC supports (words explanation is redundant). And the whole MKV to MP3 procedure is easy peasy, needless to repeat it here to add more burden on you.

#4. CloudConvert

CloudConvert is an online video converter that is able to convert MKV to MP3 easily and free. Actually, it supports to convert videos and audios between 200+ formats, not only including MKV to MP3, but also more conversions like MKV to MP4, HEVC to H.264, AVI to MP4, TS to FLV etc. Most conversion types can be adjusted to your needs such as setting the quality and many other options. This helps you output video files of high quality.

And though it's an online MKV to MP3 converter, it has the highest data security. No one except you will ever have access to your files. You don't have to install any third-party software or plugins to fulfill the MKV to MP3 conversion. But the defect comes that it depends more on network, which could be slow sometimes. And it has a file size limit of 1GB for free accounts.

#5. Convertio

Convertio is another online choice for MKV to MP3 conversion. Likewise, it has the similar pros and cons of ConvertConvert, for example, high quality output, wide formats support, file size limit and so on. But the maximum permissible file size for the conversion is 100MB.To increase the file size, you must sign up and purchase the 'Light,' 'Basic,' and 'Unlimited' plan. The plan differs with concurrent conversion rates, conversion time per file, and conversion minutes per day, etc.