If you are not redirected automatically, follow this -. Bookmarklet javascript:(function() { var currentUrl = window.location.href; var desktopRegex = /youtube\.com\/watch\?app=desktop/; var mobileRegex = /m\.youtube\.com\//; var youtuRegex = /youtu\.be\/([\w-]+)/; var replacementUrl = "https://super8.absturztau.be/watch?v="; if (desktopRegex.test(currentUrl) || mobileRegex.test(currentUrl) || youtuRegex.test(currentUrl)) { var videoId = currentUrl.match(/[?&]v=([\w-]+)/)[1]; var newUrl = replacementUrl + videoId; window.location.href = newUrl; } })();