The phrase describes a category of tools designed to transform audio content from a video-sharing platform into a widely compatible audio file format. These utilities enable users to extract the sound component from video files hosted on a prominent video website and save it as an MP3. A typical usage scenario involves copying a video URL, pasting it into the designated field on a website, and initiating the conversion process, resulting in a downloadable MP3 file.
These services offer a convenient method for archiving audio from online video content, facilitating offline listening and accessibility. They address a need for users to enjoy audio content independently of the visual component, particularly for lectures, music, podcasts, and other audio-centric material. Functionality of this nature has existed for several years, with the rise of video sharing spurring the development and proliferation of such tools.