Use YouTube Premium or YouTube Music to download audio for offline listening where available
Use the YouTube app’s offline download feature for videos you are allowed to save
Use a licensed third-party downloader only if you have the rights to the audio
Use browser-based recording software to capture audio from content you own or are permitted to record
Use desktop audio recording tools to record system audio while playing the video
Use mobile screen/audio recording features if permitted by your device and the content rights
Check the video’s license and the platform’s terms before extracting audio
Obtain permission from the copyright holder if the audio is not yours
Convert a legally obtained video file to an audio format with a media converter
Save the resulting file as MP3, AAC, WAV, or another supported audio format