YouTube Premium Features (All-in-One)

Add YouTube Premium-like features: ad-blocking, background play, HD/4K default quality, downloader, dark mode, and Premium logo.

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴Greasemonkey 油猴子Violentmonkey 暴力猴,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴Violentmonkey 暴力猴,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴Userscripts ,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==UserScript==
// @name         YouTube Premium Features (All-in-One)
// @namespace    http://tampermonkey.net/
// @version      2.0
// @description  Add YouTube Premium-like features: ad-blocking, background play, HD/4K default quality, downloader, dark mode, and Premium logo.
// @author       YourName
// @license      MIT
// @match        *://www.youtube.com/*
// @grant        GM_addStyle
// ==/UserScript==

(function() {
    'use strict';

    // Function: Replace YouTube logo with "Premium" logo
    const replaceLogo = () => {
        const premiumLogo = `
            <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" fill="#FF0000" height="30" width="100">
                <rect x="0" y="0" width="100" height="100" fill="white" rx="15" />
                <text x="10" y="60" font-size="50" fill="red" font-weight="bold">Premium</text>
            </svg>
        `;
        const logoContainer = document.querySelector('#logo-icon-container');
        if (logoContainer) {
            logoContainer.innerHTML = premiumLogo;
        }
    };

    // Function: Block ads on YouTube
    const blockAds = () => {
        const adSelectors = [
            '.video-ads', // Video ads container
            '.ytp-ad-module', // Overlay ads
            '.ytp-ad-player-overlay-instream-info', // In-stream ad info
            '#masthead-ad', // Banner ads
        ];
        adSelectors.forEach(selector => {
            const ads = document.querySelectorAll(selector);
            ads.forEach(ad => ad.remove());
        });
    };

    // Function: Enable background playback
    const enableBackgroundPlay = () => {
        const video = document.querySelector('video');
        if (video) {
            video.loop = false; // Prevent looping
            video.play();
        }
    };

    // Function: Set video quality to HD/4K
    const setHDQuality = () => {
        const qualityMenu = document.querySelector('button.ytp-settings-button');
        if (qualityMenu) {
            qualityMenu.click();
            setTimeout(() => {
                const qualityOptions = document.querySelectorAll('.ytp-quality-menu .ytp-menuitem');
                for (const option of qualityOptions) {
                    if (option.innerText.includes('1080p') || option.innerText.includes('2160p')) {
                        option.click();
                        break;
                    }
                }
            }, 500);
        }
    };

    // Function: Add a "Download" button
    const addDownloadButton = () => {
        const videoActions = document.querySelector('.ytd-video-primary-info-renderer #top-level-buttons-computed');
        if (videoActions && !document.querySelector('.custom-download-button')) {
            const downloadButton = document.createElement('button');
            downloadButton.className = 'custom-download-button';
            downloadButton.textContent = 'Download';
            downloadButton.style.margin = '0 5px';
            downloadButton.style.padding = '10px';
            downloadButton.style.background = '#FF0000';
            downloadButton.style.color = 'white';
            downloadButton.style.border = 'none';
            downloadButton.style.borderRadius = '4px';
            downloadButton.style.cursor = 'pointer';

            downloadButton.addEventListener('click', () => {
                const videoUrl = window.location.href;
                const downloadUrl = `https://example.com/download?url=${encodeURIComponent(videoUrl)}`;
                window.open(downloadUrl, '_blank');
            });

            videoActions.appendChild(downloadButton);
        }
    };

    // Function: Toggle dark mode
    const addDarkModeToggle = () => {
        const header = document.querySelector('#masthead-container');
        if (header && !document.querySelector('.dark-mode-toggle')) {
            const toggle = document.createElement('button');
            toggle.className = 'dark-mode-toggle';
            toggle.textContent = 'Dark Mode';
            toggle.style.margin = '0 10px';
            toggle.style.padding = '5px 15px';
            toggle.style.background = '#000000';
            toggle.style.color = '#FFFFFF';
            toggle.style.border = 'none';
            toggle.style.borderRadius = '4px';
            toggle.style.cursor = 'pointer';

            toggle.addEventListener('click', () => {
                document.body.classList.toggle('dark-mode');
            });

            header.appendChild(toggle);
        }
    };

    // Add styles for dark mode
    GM_addStyle(`
        body.dark-mode {
            background-color: #181818;
            color: #FFFFFF;
        }
        .custom-download-button:hover {
            background: #FF4500;
        }
        .dark-mode-toggle:hover {
            background: #333333;
        }
    `);

    // Run features periodically
    setInterval(() => {
        replaceLogo();
        blockAds();
        enableBackgroundPlay();
        setHDQuality();
        addDownloadButton();
        addDarkModeToggle();
    }, 2000);
})();