This online service lets you get high quality MP3 files in just a few seconds thanks to its developer's promise that it's the fastest way on the market to extract and convert audio tracks from practically any video stored on YouTube.
All you need to do is insert the full video URL for the audio you want to extract and download in MP3 and click on the 'Convert' button. Once it's been fully converted, you'll get a download link with your file. After clicking on the 'Download' button, you'll automatically be saving the file into a download folder that was selected by default through your browser.
Thanks to TheYouMP3 you'll gain instant access to any audio track from your favorite YouTube videos.