this site looks fine but if you want to convert to an mp3 or something like that it sends you to an other site and to download the mp3 file you need to download an chrome extension what to me is a bit unnecessary
Free MP3 Music Downloader. Search with URL from Thosands of MP3 or Music Sites. Download, Play and Convert Audio Video Files into Popular Formats of Best Quality. No Registration Required and Totally free MP3 or Music Download Service.