Get a YouTube Channel's Total Video Duration

YoutubeChannelTotalVideoDuration.js

/**
 * 📜 Youtube Channel Total Video Duration Grabber/Calculator
 * 
 * ✅ Instructions:
 * - Scroll all the way to the bottom of the YouTube home/feed/playlist page 
 *   to ensure all videos are loaded.
 * - Paste this script into the browser console.
 * 
 * ⚠️ Disclaimer:
 * This script was created with the help of AI assistance.
 * I am not responsible or liable for any issues, damage, or consequences 
 * resulting from the use of this script. Use it at your own risk.
 */

var items = document.getElementsByClassName("style-scope ytd-rich-item-renderer");
console.log(`📦 Found ${items.length} video containers on the page.\n`);

var allVideos = [];
var seen = new Set();

var allHours = 0;
var allMinutes = 0;
var allSeconds = 0;

for (var i = 0; i < items.length; i++) {
    var titleElement = items[i].querySelector("#video-title");
    var badge = items[i].querySelector(".badge-shape-wiz__text");

    var title = titleElement ? titleElement.textContent.trim() : null;
    var duration = badge ? badge.textContent.trim() : null;

    if (!title || !duration) continue;

    let uniqueKey = `${title}__${duration}`;
    if (seen.has(uniqueKey)) {
        console.log(`⚠️ Duplicate skipped: "${title}" — ${duration}`);
        continue;
    }

    seen.add(uniqueKey);
    console.log(`✅ [${allVideos.length + 1}] "${title}" — ${duration}`);

    // Parse duration
    var timeParts = duration.split(":").map(Number);
    if (timeParts.length === 3) {
        allHours += timeParts[0];
        allMinutes += timeParts[1];
        allSeconds += timeParts[2];
    } else if (timeParts.length === 2) {
        allMinutes += timeParts[0];
        allSeconds += timeParts[1];
    } else if (timeParts.length === 1) {
        allSeconds += timeParts[0];
    }

    allVideos.push({ title, duration });
}

// Normalize time
allMinutes += Math.floor(allSeconds / 60);
allSeconds %= 60;

allHours += Math.floor(allMinutes / 60);
allMinutes %= 60;

var totalDays = Math.floor(allHours / 24);
allHours %= 24;

console.log("\n📊 Final Video Summary:");
console.table(allVideos);

console.log("\n🧮 Total Watch Time:");
console.log("----------------------------------");
console.log("📺 Unique Videos Counted:", allVideos.length);
console.log(`🕓 Total Time: ${totalDays} days, ${allHours} hours, ${allMinutes} minutes, ${allSeconds} seconds`);
console.log("----------------------------------");