There are quite a few of them as far as reliable YouTube to MP3 converters that work for Mac. For example, 4K YouTube to MP3 suits for audio conversion and has user-friendly interface. Users can use the software to download entire playlists and channels, so it is great tool for those who usually convert YouTube videos into MP3 format. It also has an advanced download acceleration technology that results in users being able to reach downloading speeds even 6 times faster than other converters.
ClipGrab is an all-in-one downloader and converter that you can also choose. This software can read a variety of formats like MP3, WMV and is well suited for different types of devices. Thanks to intelligent clipboard detection, ClipGrab automatically recognizes when you have copied a YouTube link and simplifies the download process. Additionally, since ClipGrab is free of charge you will never have to pay in order to enable such features.
Airy is also a good conversion tool created specially for Mac users. Airy - Airy is a very useful Mac downloader that can download videos in all formats and resolutions, including MP3,MP4 & FLV. The fact that it allows full HD and 4K downloads makes this converter special, unlike most of the other converters out there. It also works with your web browser and you can download YouTube videos in just a click.
If you're the developer type, MediaHuman's YouTube to MP3 Converter is another solid option. This converter allows you to batch download and comes with an in-built tag editor making it easy for users who care about how their music libraries are organized. MediaHuman - high audio production quality, download from multiple platforms (Vimeo/Dailymotion compatability)
YTMP3 is a free online converter that you can use on Mac with ease (no programs should be installed). Users just need to paste the video link into website, they can convert YouTube videos to MP3 format. YTMP3 is perfect for anyone who loves the convenience of online tools since it converts freakishly fast and produces top-shelf audio output. For details visit YouTube TO MP3
These are a few examples you can select from as they work differently thus it depends on your needs and preference when trying to choose YouTube MP3 converter for Mac users. There are many models out there with such depressingly limited features, but each of these converters has something to offer you a bit differently from the next.