YouTube2Audio.com is the most convenient online application for converting YouTube flash video to MP3 audio. This service is fast, free, and requires no signup. All you need is a YouTube URL, and our software will transfer the video to our server, extract the MP3, and give you a link to download the audio file.
How To: Extract MP3 From a YouTube Video
Enter the URL from any YouTube page, and this application will quickly retrieve the Flash video file
and extract the audio as a downloadable MP3. By using our service you agree to abide by our terms.