You will find it thanks to this application.
You might also want to keep a web browser open on YouTube to be able to grab the links of interest, since the program is devoid of a browser.
YouTube Downloader Pro allows you to download only audio stream from YouTube, without downloading the entire video file.
Through these add-ons, you can save videos for future reference or offline viewing.
After doing downloading Tampermonkey and Local YouTube Downloader, you just need to open any YouTube video you want to download.
They have features that online tools usually lack.