Prompt.js

javascript:(function() {
    var videoSourceCode = document.documentElement.innerHTML;
    var urlRegex = /https?:\/\/[^\s/$.?#].[^\s]*videoplayback(?:\?|%3F)[^'"]+/g;
    var matches = videoSourceCode.match(urlRegex);
    var videoUrls = [];

    if (matches) {
        for (var i = 0; i < matches.length; i++) {
            videoUrls.push(matches[i]);
        }

        if (videoUrls.length > 0) {
            // Sort the video URLs by quality
            videoUrls.sort(function(a, b) {
                var itagA = getItagFromUrl(a);
                var itagB = getItagFromUrl(b);
                return compareItags(itagA, itagB);
            });

            var formatOptions = '';
            for (var j = 0; j < videoUrls.length; j++) {
                var formattedUrl = videoUrls[j].replace(/\\u0026/g, '&');
                var itag = getItagFromUrl(formattedUrl);
                var quality = getQualityFromItag(itag);

                formatOptions += (j + 1) + '. ' + quality + ' (' + itag + ')' + '\n';
            }

            var selectedFormat = prompt('Select the desired video format by entering its corresponding number:\n\n' + formatOptions);
            if (selectedFormat !== null && selectedFormat !== '') {
                var chosenUrl = videoUrls[selectedFormat - 1].replace(/\\u0026/g, '&');
                window.open(chosenUrl);
            }
        } else {
            alert('No video URLs found in the source code.');
        }
    } else {
        alert('No matches found in the source code.');
    }
})();

function getItagFromUrl(url) {
    url = decodeURIComponent(url);
    var itagRegex = /itag=(\d+)/;
    var match = url.match(itagRegex);
    if (match && match.length > 1) {
        return match[1];
    }
    return '';
}


function compareItags(itagA, itagB) {
    var qualityA = getQualityFromItag(itagA);
    var qualityB = getQualityFromItag(itagB);
    return qualityA.localeCompare(qualityB);
}

function getQualityFromItag(itag) {
    switch (itag) {
        case '5':
            return 'FLV 240p';
        case '6':
            return 'FLV 270p';
        case '17':
            return '3GP 144p';
        case '18':
            return 'MP4 360p';
        case '22':
            return 'MP4 720p';
        case '34':
            return 'FLV 360p';
        case '35':
            return 'FLV 480p';
        case '36':
            return '3GP 180p';
        case '37':
            return 'MP4 1080p';
        case '38':
            return 'MP4 3072p';
        case '43':
            return 'WebM 360p';
        case '44':
            return 'WebM 480p';
        case '45':
            return 'WebM 720p';
        case '46':
            return 'WebM 1080p';
        case '82':
            return 'MP4 360p (3D)';
        case '83':
            return 'MP4 480p (3D)';
        case '84':
            return 'MP4 720p (3D)';
        case '85':
            return 'MP4 1080p (3D)';
        case '92':
            return 'HLS 240p (3D)';
        case '93':
            return 'HLS 360p (3D)';
        case '94':
            return 'HLS 480p (3D)';
        case '95':
            return 'HLS 720p (3D)';
        case '96':
            return 'HLS 1080p (3D)';
        case '133':
            return 'MP4 240p Video Only';
        case '134':
            return 'MP4 360p Video Only';
        case '135':
            return 'MP4 480p Video Only';
        case '136':
            return 'MP4 720p Video Only';
        case '137':
            return 'MP4 1080p Video Only';
        case '140':
            return 'M4A Audio 128k';
        case '160':
            return 'MP4 144p Video Only';
        case '242':
            return 'WebM 240p Video Only';
        case '243':
            return 'WebM 360p Video Only';
        case '244':
            return 'WebM 480p Video Only';
        case '247':
            return 'WebM 720p Video Only';
        case '248':
            return 'WebM 1080p Video Only';
        case '249':
            return 'WebM Audio 50k';
        case '250':
            return 'WebM Audio 70k';
        case '251':
            return 'WebM Audio 160k';
        case '271':
            return 'WebM 1440p Video Only';         
        case '278':
            return 'WebM 144p Video Only'; 
        case '313':
            return 'WebM 2160p Video Only';             
        default:
            return 'Unknown';
    }
}