Quickify: Spotify Web Player Shortcuts
Control your Spotify Web Player (https://play.spotify.com) experience from the comfort of any other page you are currently browsing. Currently supports: play/pause, next/previous track, save a track, shuffle, repeat, focus spotify tab. You can also bind keyboard shortcuts (eg. media keys) to work with this extension. You can configure these by going to "Keyboard shortcuts" at the bottom of the chrome://extensions page.