Copy any playlist URL from YouTube, then paste the URL into the search box and click "Submit" button.
What types of URL are available?
Example 1: https://www.youtube.com/watch?v=XXYlFuWEuKI&list=PL3oW2tjiIxvSImqpviFH4JnbrCLXAlO2I
Example 2: https://www.youtube.com/playlist?list=PL3oW2tjiIxvSImqpviFH4JnbrCLXAlO2I
You can also register an account and store your favorite playlists for playback.
Note: Browsing this site on your mobile phone will get better experience, especially on Android phone. And adding this site to your home screen, it will run like a native app, and will play audio in the background if you've stickied your browser.