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Adds download and transcript buttons below video info on YouTube
// ==UserScript==
// @name YouTube toolkit
// @namespace http://tampermonkey.net/
// @version 1.5
// @description Adds download and transcript buttons below video info on YouTube
// @author Bui Quoc Dung
// @match *://*.youtube.com/*
// @match *://y2meta-us.com/*
// @run-at document-idle
// @grant GM_addStyle
// ==/UserScript==
(function () {
"use strict";
// ============================================
// YOUTUBE.COM - Add Download & Transcript buttons
// ============================================
if (window.location.hostname.includes("youtube.com")) {
const STYLES = `
#download-container {
margin-top: 6px;
padding: 6px 0;
display: flex;
align-items: center;
gap: 6px;
}
.download-btn, .transcript-btn {
font-size: 14px;
font-weight: 500;
background-color: transparent;
color: currentColor;
padding: 10px 15px;
border-radius: 18px;
border: none;
cursor: pointer;
font-family: "Roboto", "Arial", sans-serif;
transition: background-color 0.2s;
}
.download-btn:hover, .transcript-btn:hover {
background-color: rgba(255, 255, 255, 0.1);
}
`;
GM_addStyle(STYLES);
function createDownloadButton() {
if (document.querySelector(".download-btn")) return null;
const btn = document.createElement("button");
btn.className = "download-btn";
btn.textContent = "Download";
btn.addEventListener("click", function () {
const youtubeUrl = window.location.href.split('#')[0].split('&')[0];
const y2metaUrl = "https://y2meta-us.com/?url=" + encodeURIComponent(youtubeUrl);
window.open(y2metaUrl, "_blank");
});
return btn;
}
function createTranscriptButton() {
if (document.querySelector(".transcript-btn")) return null;
const btn = document.createElement("button");
btn.className = "transcript-btn";
btn.textContent = "Transcript";
btn.addEventListener("click", function () {
const youtubeUrl = window.location.href.split('#')[0];
const urlParams = new URLSearchParams(new URL(youtubeUrl).search);
const videoId = urlParams.get('v');
if (videoId) {
const transcriptUrl = `https://youtubetotranscript.com/transcript?v=${videoId}`;
window.open(transcriptUrl, "_blank");
} else {
alert("Video ID not found!");
}
});
return btn;
}
function addButtonBelowTopRow() {
const topRow = document.querySelector("#top-row.ytd-watch-metadata");
if (!topRow || document.querySelector("#download-container")) return;
const container = document.createElement("div");
container.id = "download-container";
const downloadBtn = createDownloadButton();
const transcriptBtn = createTranscriptButton();
if (downloadBtn) container.appendChild(downloadBtn);
if (transcriptBtn) container.appendChild(transcriptBtn);
if (downloadBtn || transcriptBtn) {
topRow.parentNode.insertBefore(container, topRow.nextSibling);
}
}
function init() {
if (window.location.pathname.includes("/watch")) {
addButtonBelowTopRow();
}
}
// Observe DOM changes for YouTube's dynamic content loading
const observer = new MutationObserver(function(mutations) {
for (let mutation of mutations) {
if (mutation.target.id === 'top-row' ||
mutation.target.closest('#top-row') ||
mutation.target.querySelector('#top-row')) {
init();
break;
}
}
});
// Initialize observer
if (document.readyState === 'loading') {
document.addEventListener('DOMContentLoaded', function() {
const targetNode = document.querySelector('ytd-watch-flexy') || document.body;
observer.observe(targetNode, { childList: true, subtree: true });
init();
});
} else {
const targetNode = document.querySelector('ytd-watch-flexy') || document.body;
observer.observe(targetNode, { childList: true, subtree: true });
init();
}
// Handle YouTube's SPA navigation
window.addEventListener("yt-navigate-finish", init);
}
// ============================================
// Y2META-US.COM - Auto-fill YouTube URL
// ============================================
if (window.location.hostname.includes("y2meta-us.com")) {
function autoFillAndSubmit() {
// Get URL from query parameter
const urlParams = new URLSearchParams(window.location.search);
const youtubeUrl = urlParams.get('url');
// Validate YouTube URL
if (!youtubeUrl || !youtubeUrl.includes("youtube.com/watch")) {
return;
}
// Find input and button elements
const input = document.querySelector("#txt-url");
const button = document.querySelector("#btn-submit");
if (input && button) {
// Fill the input field
input.value = youtubeUrl;
input.dispatchEvent(new Event("input", { bubbles: true }));
input.dispatchEvent(new Event("change", { bubbles: true }));
// Click submit button after short delay
setTimeout(() => {
button.click();
// Clean up URL (remove query parameter)
history.replaceState(null, '', window.location.pathname);
}, 500);
} else {
// Retry if elements not found yet
setTimeout(autoFillAndSubmit, 300);
}
}
// Start auto-fill process when page loads
if (document.readyState === 'loading') {
document.addEventListener('DOMContentLoaded', autoFillAndSubmit);
} else {
autoFillAndSubmit();
}
}
})();