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.

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==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);
})();