If you’ve ever tried and failed to find your favorite song in a karaoke song book, you’ll have better luck on Youka, a free website that creates karaoke songs out of any YouTube video. Youka, short for “YouTube to karaoke,” isolates vocals from tracks and pulls lyrics from sites online. Technologist Andy Baio, who first pointed out the app, notes that the service most likely uses Spleeter, an open-source AI tool that isolates vocals from songs.
The app works on just about any song, so long as there are lyrics available for it online. There are a couple of different language options on the side, so it works for some non-English songs as well. The vocal isolation works both ways so you can listen to the karaoke version of a song with no…