DramaFever and Viki are both websites that allow users to watch Korean movies for free. Both websites, however, offer ad-free content only to users who purchase a premium package.
DramaFever and Viki both stream free Korean dramas and variety shows in addition to Korean movies. Some movies on these websites are not available to free users and users must also purchase a premium package to get high definition streaming.
Both websites provide subtitles in several different languages. The websites stream media from several other countries in addition to streaming Korean media. All the streaming is perfectly legal. Dramafever purchased their broadcasting rights from Korean broadcasting companies like KBC, MBC and SBS.