Asks users for a youtube url and open it on youtube-nocookie.co

Youtube2NoCookie-bookmarklet.js

javascript:void%20function(){const%20a=window.prompt(%22Welke%20youtube%20video%20wil%20je%20bekijken%3F%22);if(a){const%20b=new%20URL(a).searchParams,c=b.get(%22v%22);if(c){window.open(%22https://www.youtube-nocookie.com/embed/%22+c)}else{const%20b=a.replace(%22https://youtu.be/%22,%22https://www.youtube-nocookie.com/embed/%22);b!==a%26%26window.open(b)}}}();

Youtube2NoCookie.js

const url = window.prompt('Welke youtube video wil je bekijken?');
if (url) {
    const search = new URL(url).searchParams;
    const videoId = search.get('v');
    if (videoId) {
        const newUrl = 'https://www.youtube-nocookie.com/embed/' + videoId;
        window.open(newUrl);
    } else {
        const newUrl = url.replace('https://youtu.be/', 'https://www.youtube-nocookie.com/embed/');
        if (newUrl !== url) {
            window.open(newUrl);
        }
    }
}

More info about this bookmarklet on this page