The phrase refers to the process of obtaining audio files, typically in the MP3 format, from video content hosted on the YouTube platform using a third-party online conversion tool often identified by a specific brand name. This method allows users to extract the audio portion of a YouTube video and save it as a separate audio file. For instance, an individual might use such a service to acquire an audio recording of a lecture or a song available on YouTube.
The prevalence of such methods stems from a desire for offline access to audio content and compatibility with a wide range of devices. Historically, the rise of digital music consumption and the popularity of YouTube as a music streaming platform have fueled the demand for these services. They offer a perceived convenience, allowing users to listen to content without relying on a constant internet connection and often circumventing potential subscription fees associated with music streaming services.