There are several ways to download mp3 from YouTube. Here are some of them:

1. **MP3-Now** - Copy and Paste YouTube video URL into the search bar. Click "Convert" then wait a moment. Choose MP3 file quality then click "Download". Wait until the MP3 downloading is completed, then enjoy listen to music offline anytime from your device.

2. **SaveFrom.net** - For users who want to download audios from Youtube, we've developed an Youtube to MP3 converter extension, which you simply need to add to your browser. When added, the browser extension will be seen as a small button below the video you want to save. By clicking on the download button you will get the file in maximum available quality.

3. **YTMP3** - Quick Download is Online! Insert "ccc" after the word "youtube" or "youtu" in the link to download videos and mp3 files from YouTube as a faster way.

4. **MediaHuman YouTube to MP3 Converter** - This completely free YouTube to MP3 conversion app is simple and you can download for Windows, macOS, and Ubuntu Linux. You can use the app to extract up to 320 kbps MP3 audio files (including from all videos on a playlist) from any YouTube video.

5. **4K Download** - Visit the 4K Download website, click Download at the top of the page, and choose “4K YouTube to MP3.” Click the Download button next to the version of the program you want to install: be it ...

6. **PCMag** - Need a YouTube to MP3 converter to download your favorite songs onto your computer? These websites and programs can help.

I hope this helps!