Spotify & Deezer Music Downloader is a famous and popular Google Chrome extension that requires no application downloading. Users love to convert Spotify music to MP3 with this useful Chrome extension since it adds a download button in the right of the Spotify Web Player' interface. This is a convenient and smart design that can reduce the operations that users spend on conversion. Because of its convenience and conversion ability, it wins a four-star rating in the Google Chrome Web Store. However, it can only download the Spotify songs which can be matched from other free online libraries with the songs in Spotify. When it can't match, an error button will be displayed and you may encountered this problem frequently.