Tunii is an AI-powered vocal remover and stem separation tool for anyone who wants to separate vocals and instruments from songs online. Upload MP3, WAV, M4A, or FLAC files and quickly isolate vocals, instrumentals, drums, piano, and other stems for karaoke, remixes, covers, music practice, and content creation. Tunii is simple to use with no complex audio software required. New users get 10 free minutes after signup, plus 5 free minutes every week, with additional processing minutes available as one-time purchases.