2021 Top 7 Best YouTube to MP3 Converters Free (Desktop and Online)

Enjoy high-quality music offline with the best YouTube to MP3 converter free.

Michelle | Updated at July 23, 2021
Looking for the best YouTube MP3 converter?

1. Free HD Video Converter Factory ------ Best Free YouTube to MP3 Converter for Desktop

2. Y2mate.com ------ Best YouTube to MP3 Converter Online

3. EasyMp3Converter

4. Mp3 Youtube

5. YTMP3


7. 320YouTube (Down)


The Overall Best Free YouTube to MP3 Converter: Free HD Video Converter Factory, click here to free download free download.

Key Points: YouTube to MP3 no length limit; YouTube to MP3 no size limit; Free, safe, and stable.

As the biggest video hosting site, YouTube is the go-to place for all viewing needs, be they cute funny puppy videos or practical how-to tutorials. But what people might not notice about is that YouTube is a great platform for audio as well. From music to speeches to pure listening materials, YouTube covers them all, though in the form of videos. Desire to extract audio from these YouTube videos for convenient offline playback hence arise among many people.

Well, it’s not a tough job to download YouTube audio nowadays, not if you choose a reliable YouTube to MP3 converter. And that leads to our main topic today - we are here to provide you the best YouTube to MP3 converters. Need one? Try one of our top picks!

Also Read: Best MP4 to MP3 Converter | Best YouTube to MP4 Converter | Free YouTube Playlist Downloader

Best YouTube Video Converter

Able to convert Any YouTube video to high-quality MP3, WAV, MP4, AVI, MKV, etc. with no size and length limit, Free HD Video Converter Factory is the best YouTube video converter for you.

7 Best YouTube to MP3 Converters Online/Desktop in 2021

Disclaimer: WonderFox does not endorse or encourage downloading any copyrighted works from YouTube. The application and services mentioned in this article are limited to personal fair use only. Please ensure your action does not violate YouTube’s terms of service.

Please read: Is It Legal to Download YouTube Videos and Music.

1. Free HD Video Converter Factory

Free HD Video Converter Factory is the best YouTube music downloader software available for Windows users. We have listed all the features this converter provides below:

Free Download Free Download

2. Y2mate.com

Y2mate.com is one of the best free YouTube to MP3 converters in the eyes of many, for it can deliver fast and easy YouTube to MP3 conversions in multiple qualities, ranging from 64 ~ 320 kbps. No registration is required and the downloads are unlimited. YouTube to MP3 longer than 90 minutes is also supported.

Y2mate.com is free all the time and compatible with all mainstream browsers. One important thing to note is that, in order to keep the free service running, Y2mate.com places ads and pop-ups on the site. There might be danger clicking on those ads. Hence an ad-blocker is suggested.

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3. EasyMp3Converter

EasyMp3Converter being an online free YouTube to MP3 converter has only one goal, which is to offer YouTube to MP3 conversion with the fastest conversion speed. And sure it does. Users can get a one-hour audio extracted from the YouTube video within seconds. Besides that, multiple quality options are offered too, from 64 to MP3 320kbps. There are no restrictions on the length or the size of the video converted, and you can make conversions many times you want. No registration is needed as well.

Like many other online converter, however, EasyMp3Converter also inserts ads and redirects for revenue to run the free service. So use it with caution.

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4. Mp3 Youtube

Mp3 YouTube is another good site to convert YouTube to MP3 free. With a sleek interface design and a clean environment of no ads and pop-ups, you can have a smooth conversion experience on Mp3 YouTube worry-free.

Mp3 YouTube promises a simple and fast YouTube to MP3 conversion. The converted audio file is automatically offered in the best quality (the original quality as it claims). So there will be no options for you to choose manually, which is convenient for people who require straight downloading.

There are limits on Mp3 YouTube, though. It cannot help you convert video longer than 90 minutes or size larger than 200MB. The number of conversions per minute is also restricted.

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5. YTMP3

YTMP3 is regarded by some users as the best free YouTube to MP3 converter online. Their supports for this converter have reasons. Firstly, the self-explanatory interface of YTMP3 puts no pressure on its users to start a conversion of their desired YouTube videos instantly. Secondly, the conversion is fast and usually takes one or two seconds. And then, you are offered choices as to download, save to Dropbox, or continue to convert the next video. You can also choose to download your video as either MP3 or MP4.

YTMP3 claims to auto-convert YouTube to MP3 in the highest quality available. But we found that it can only convert audio to half of the original audio quality. (We tested it with an MP3 320kbps song, and the converted result is in 192kbps). If you have high-demand for the audio quality, this site may not be the best choice for you. However, if you care more about the speed and convenience, this site remains a nice place for you.

There are several restrictions using YTMP3, though. YTMP3 does not support video longer than 1 hour. It is not compatible with the iPad or iPhone as well. And, beware of the false convert button (ad) placed beneath the real download button.

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Flvto adopts a more fancy appearance that makes other similar sites look monotonous. However, it is ads-covered that it might be a little annoying to people who want a neat environment.

It does a good job of fast converting YouTube to MP3, MP4, AVI, MP4 HD, and AVI HD. Yet, it cannot get you the original audio quality but reduce the quality by half instead. Also, FLVTO cannot convert YouTube to MP3 longer than 2 hours.

Apart from YouTube, FLVTO also supports video URL from Instagram, TikTok, etc. It is all-platform-compatible as well.

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7. 320YouTube (Down)

320YouTube is the best YouTube MP3 downloader to convert YouTube videos to MP3 320kbps. The conversion process is smooth and fast and without ads-interfering. If you want all your MP3 music collected in fine quality, do not throw away your shot at this site.

Nevertheless, you should make sure the bitrate of the original audio source file is not lower than 320kpbs. Say if you convert an MP3 128kbps audio to 320kpbs, you won’t get a real 320kpbs quality audio. Instead, you might get a worsen quality audio with a larger file size.

320YouTube has an extension that works with all browsers like Chrome, Firefox, Safari.


Online converters have more or less some limitations, such as restrictions over the video length and size, lack of quality options, and most evidently, unable to download a playlist at one go. You would find online converter an optimal solution when you only need to make one or two conversions once in a while. But if you are to convert regularly, you’d better stick to the desktop video converter mentioned in this guide instead. Get it for free here:

Free Download

Compatible with Windows

100% Clean & Safe

Free Download
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