: A highly popular and versatile tool that supports many sites; it can extract audio from video files into MP3 format.

Finding a doesn't have to be complicated. By using the right combination of browser extensions and trusted web tools, you can build a high-quality music library without ever leaving your browser.

YouTube does not want you downloading audio. It wants you watching ads or paying for YouTube Music/Premium. Therefore, any free MP3 downloader is an unofficial, cat-and-mouse game that relies on hacking the video stream. For Firefox users, there are two main approaches: and External Software .

You install a script manager extension, then add a small script that creates a "Download" button on every YouTube video you watch.