• Convert YouTube videos to MP4 videos and MP3 audio supported by iPhone/ iPad/iPod on Mac.
• To Convert and download youtube videos to mp3, simply copy the url of the video in your browser, then click on 'Paste Url' and that’s it. There is also a version for Linux and Windows, and supported formats include MP3, MP4, M4A, and FLV.

Have you ever wanted to play some fancy music videos from YouTube to turn up your birthday party or just watched them on the iPhone in your spare time? But how do you play them when there is no access to the internet? Don’t worry, here is the way around that you need to download them first. As there are not so many choices for Mac YouTube Downloader, you are provided with the below online YouTube downloader services which are great helpers to download and convert YouTube video to MP3 on Mac for free.

1. KeepVid

Free youtube to mp3 converter for mac free download - Wise Video Converter, TubeMate, TubeMate 3, and many more programs.

KeepVid rates highly among the online YouTube video downloader on the market. It has an extended media database which allows you to search for millions of videos on YouTube and other websites. There is not any legal limitation attached so you don’t need to be concerned about anything. It also has some advanced features like browsing online music, customizing download format, high quality and fast download support, etc. Regrettably, the video conversion function can only be activated after you pay some fee. Its overall performance depends on your internet connection thus it might be poor performing if you’ve got a poor internet connection and vice versa.

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2. SaveFrom.Net

Although SaveFrom.Net is a kind of online service for YouTube video downloading, it has a mandatory requirement for installation first. After that, you can download videos from YouTube or many other sites for free. SaveFrom.Net supports some commonly used formats like MP4, 3GP, WEBM, FLV and several others. It contains add-ons that make it effective when you use it to download YouTube videos. However, the add-ons mostly depend on third-party websites which can lead to certain disadvantages. The worst thing is that it doesn’t support batch download, meaning that you can only download one video at each time. It might not be the right option for those who have loads of videos to download.

3. VideoDownloadX

VideoDownloadX is one of the well-known online tools for downloading YouTube videos with high quality. It is a free application that allows you to download most video files online, as long as you have the URL. Videos in high definition (720p, 1080p, HD, 4K) can also be downloaded from YouTube and some other websites like Vimeo, VEVO, DailyMotion, Facebook, etc. It supports the main formats like MP3, FLV and 3GP and a few others coming up for your consideration. It has a user guide to help you systematically download YouTube videos to your Mac. The only disadvantage you experience with VideoDownloadX is its unreliable “convert” function that might fail you miserably.

How to Convert YouTube Video to MP3 on Mac

You can use the above methods to download you favorite music videos from YouTube easily, however, you must have the need to extract the audio from video to add it to your existing music library or just listen to it on your portable devices. Although many portable devices can handle most common audio formats, converting them to MP3 is obviously the best solution. All2MP3 for Mac is what you need. It can convert video from any sources to MP3 on your Mac and it requires no internet connection. The following will guide you through the necessary steps and you will know how easy it is to use.

First Step

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To convert YouTube Video to MP3 on Mac, first you need to get All2MP3 for Mac launched and open it. Go to the source folder to find your audio files and drag & drop them in the program window. Of course, you can use the “Add” button below.

Second Step

In the new window, you can easily choose the quality level by dragging the slider on the slider bar of “Quality”. When you click the red button, it will change to bitrate, similarly, drag the slider to choose the needed bitrate. After that, choose an output folder above.

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Third Step

Now what you need to do is click “Convert” and wait. In a very short time, you can find the converted files in the folder you choose.

Alternatives to Convert YouTube to MP3 on Mac

Online YouTube to MP3 Converter

If you don’t want any software download on your Mac, you can try the online tools instead. Youzik is one of the online YouTube downloading websites which allows you to download Youtube videos in MP3 format. It requires no third party program installation, no plugin and not even a sign-up. What you need to do is just search and copy the URL of the video directly in the bar below. The download starts while the conversion of YouTune to MP3 is processing and it will extract the audio as an MP3 file in the best quality possible (320kbps). In addition to that, this website is compatible with laptops, smartphones and tablets, this way you can save the converted MP3 files on any devices.

Web Browser

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Yet another alternative to convert YouTube videos is with your web browser. To do that, you will need to get the MP4 version of the YouTube video first, which you should then convert to MP3. Using a web browser as a YouTube video to MP3 on Mac converter can be a more advanced and drawn out process compared to using All2MP3 for Mac or the online tool above, but we’ve listed it here as an option for those people who would rather go this route.

Conclusion

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The above options for online YouTube downloader are great when you need to download YouTube videos without software installing on your Mac. However, each of them comes with certain limitations. If you can put up with those issues like low download quality and not enough supported formats, you can give them a try for some urgent needs. If you download videos regularly and pursuit fast speed and high quality, then desktop software AllYoutubeDownload for Mac is the best option to convert YouTube video to MP3 on Mac.