🪄 YouTube UI Enhancer | Resize Thumbnails & Customize Layout

Get rid of oversized thumbnails, adjust rows, and clean up layout for a more streamlined YouTube experience.

Versión del día 5/5/2025. Echa un vistazo a la versión más reciente.

Tendrás que instalar una extensión para tu navegador como Tampermonkey, Greasemonkey o Violentmonkey si quieres utilizar este script.

Necesitarás instalar una extensión como Tampermonkey o Violentmonkey para instalar este script.

Necesitarás instalar una extensión como Tampermonkey o Violentmonkey para instalar este script.

Necesitarás instalar una extensión como Tampermonkey o Userscripts para instalar este script.

Necesitará instalar una extensión como Tampermonkey para instalar este script.

Necesitarás instalar una extensión para administrar scripts de usuario si quieres instalar este script.

(Ya tengo un administrador de scripts de usuario, déjame instalarlo)

Necesitará instalar una extensión como Stylus para instalar este estilo.

Necesitará instalar una extensión como Stylus para instalar este estilo.

Necesitará instalar una extensión como Stylus para instalar este estilo.

Necesitará instalar una extensión del gestor de estilos de usuario para instalar este estilo.

Necesitará instalar una extensión del gestor de estilos de usuario para instalar este estilo.

Necesitará instalar una extensión del gestor de estilos de usuario para instalar este estilo.

(Ya tengo un administrador de estilos de usuario, déjame instalarlo)

// ==UserScript==
// @name         🪄 YouTube UI Enhancer | Resize Thumbnails & Customize Layout
// @namespace    https://greasyfork.org/users/1461079
// @version      2.0.2
// @description  Get rid of oversized thumbnails, adjust rows, and clean up layout for a more streamlined YouTube experience.
// @author       Michaelsoft
// @match        *://www.youtube.com/*
// @grant        GM_addStyle
// @grant        GM_getValue
// @grant        GM_setValue
// @run-at       document-end
// @license      MIT
// ==/UserScript==

(function () {
    'use strict';

    // WARNING: Users should update their preferences through UI - values below will be overwritten every time the script is updated.
    const userSettings = {
        videosPerRow: 6, // Set how many videos per row (e.g., 4, 5, 6, etc.). Default value is 6.
        shortsPerRow: 12, // Set how many Shorts per row (e.g., 7, 8, 9, etc.). Default value is 12.
        disableShorts: false, // Set to true to completely hide the Shorts section. Default value is false.
        enableShowMoreFix: true, // Set to true to auto-expand Shorts ("Show More" fix). Default value is true.
        hideUIButton: false, // Set to true to hide the floating settings button. Default value is false.
        hideUIButtonShortcut: true, // Set to true to allow Alt+Shift+U shortcut to toggle button visibility. Default value is true.
    };

    const settings = {};
    for (const key in userSettings) {
        settings[key] = GM_getValue(key, userSettings[key]);
    }

    function saveSetting(key, value) {
        GM_setValue(key, value);
        settings[key] = value;
        applyCustomizations();
    }

    function resetSettings() {
        for (const key in userSettings) {
            saveSetting(key, userSettings[key]);
        }
        enableShowMoreFix();
    }

    let customStyle = null;

    function applyCustomizations() {
        if (customStyle) customStyle.remove();
        customStyle = GM_addStyle(`
            ytd-rich-grid-renderer {
                --ytd-rich-grid-items-per-row: ${settings.videosPerRow} !important;
                --ytd-rich-grid-posts-per-row: ${settings.videosPerRow} !important;
                --ytd-rich-grid-slim-items-per-row: ${settings.shortsPerRow} !important;
                --ytd-rich-grid-game-cards-per-row: 7 !important;
                --ytd-rich-grid-gutter-margin: 0px !important;
            }
            ytd-rich-shelf-renderer {
                --ytd-rich-grid-items-per-row: ${settings.shortsPerRow} !important;
            }
            ${settings.disableShorts ? `
                ytd-rich-section-renderer.style-scope.ytd-rich-grid-renderer {
                    display: none !important;
                }
            ` : ''}
        `);
    }

    applyCustomizations();

    let observer;
    function enableShowMoreFix() {
        if (observer) observer.disconnect();
        if (!settings.enableShowMoreFix) return;

        observer = new MutationObserver(() => {
            document.querySelectorAll('ytd-rich-item-renderer[hidden]').forEach(el => {
                el.removeAttribute('hidden');
            });
            document.querySelectorAll('ytd-rich-shelf-renderer').forEach(el => {
                el.setAttribute('is-show-more-hidden', '');
            });
        });

        observer.observe(document.documentElement, {
            childList: true,
            subtree: true
        });
    }

    enableShowMoreFix();

    function isDarkTheme() {
        const html = document.querySelector('html');
        return html && html.getAttribute('dark') !== null;
    }

    let uiButton = null;

    function createSettingsButton() {
        uiButton = document.createElement('div');
        uiButton.innerHTML = 'Customize Layout';
        uiButton.style.position = 'fixed';
        uiButton.style.bottom = '20px';
        uiButton.style.right = '20px';
        uiButton.style.zIndex = '9999';
        uiButton.style.padding = '10px 20px';
        uiButton.style.fontSize = '16px';
        uiButton.style.backgroundColor = '#065fd4';
        uiButton.style.color = '#fff';
        uiButton.style.borderRadius = '8px';
        uiButton.style.cursor = 'pointer';
        uiButton.style.boxShadow = '0 4px 12px rgba(0,0,0,0.4)';
        uiButton.style.opacity = '1';
        uiButton.style.transition = 'opacity 0.3s ease';
        uiButton.style.display = settings.hideUIButton ? 'none' : 'block'; // <--- important

        uiButton.onclick = openSettingsMenu;
        document.body.appendChild(uiButton);

        if (settings.hideUIButtonShortcut) {
            window.addEventListener('keydown', (e) => {
                if (e.altKey && e.shiftKey && e.key === 'U') {
                    toggleUIButtonVisibility();
                }
            });
        }
    }

    function toggleUIButtonVisibility() {
        if (uiButton) {
            if (uiButton.style.display === 'none') {
                uiButton.style.display = 'block';
                saveSetting('hideUIButton', false);
            } else {
                uiButton.style.display = 'none';
                saveSetting('hideUIButton', true);
            }
        }
    }

    function openSettingsMenu() {
        const darkMode = isDarkTheme();

        // Disable floating button while modal is open
        uiButton.style.pointerEvents = 'none';
        uiButton.style.opacity = '0.5';

        const overlay = document.createElement('div');
        overlay.style.position = 'fixed';
        overlay.style.top = '0';
        overlay.style.left = '0';
        overlay.style.width = '100vw';
        overlay.style.height = '100vh';
        overlay.style.backgroundColor = 'rgba(0,0,0,0.7)';
        overlay.style.zIndex = '9998';
        overlay.onclick = () => {
            document.body.removeChild(overlay);
            uiButton.style.pointerEvents = 'auto';
            uiButton.style.opacity = '1';
        };

        const menu = document.createElement('div');
        menu.style.position = 'fixed';
        menu.style.top = '50%';
        menu.style.left = '50%';
        menu.style.transform = 'translate(-50%, -50%)';
        menu.style.backgroundColor = darkMode ? '#222' : '#fff';
        menu.style.color = darkMode ? '#eee' : '#000';
        menu.style.padding = '20px 20px 20px 20px';
        menu.style.borderRadius = '12px';
        menu.style.boxShadow = '0 8px 24px rgba(0,0,0,0.6)';
        menu.style.width = '320px';
        menu.style.zIndex = '9999';
        menu.style.fontSize = '14px';
        menu.style.lineHeight = '1.5';
        menu.style.textAlign = 'left';
        menu.onclick = e => e.stopPropagation();

        menu.innerHTML = `
            <div style="display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;">
                <a href="https://greasyfork.org/en/scripts/533654-youtube-ui-enhancer-resize-thumbnails-modify-layout-more" target="_blank" style="text-decoration:none;color:inherit;font-size:20px;font-weight:bold;">
                    🪄 YouTube UI Enhancer
                </a>
                <button id="closeOverlay" style="background:none;border:none;color:${darkMode ? 'white' : 'black'};font-size:26px;line-height:1;cursor:pointer;padding:0;margin-left:10px;padding-bottom:5px;">×</button>
            </div>
            <label style="display:block; margin-bottom:10px;">Videos Per Row: <input id="videosPerRow" type="number" min="1" value="${settings.videosPerRow}" style="width:60px;"/></label>
            <label style="display:block; margin-bottom:20px;">Shorts Per Row: <input id="shortsPerRow" type="number" min="1" value="${settings.shortsPerRow}" style="width:60px;"/></label>
            <label style="display:block; margin-bottom:10px;">
                <input id="disableShorts" type="checkbox" ${settings.disableShorts ? 'checked' : ''} /> Hide Shorts Section
            </label>
            <label style="display:block; margin-bottom:20px;">
                <input id="enableShowMoreFix" type="checkbox" ${settings.enableShowMoreFix ? 'checked' : ''} /> Expand Shorts Automatically
            </label>
            <div style="margin-top:20px; margin-bottom:20px; border-top:1px solid ${darkMode ? 'white' : 'lightgrey'};"></div>

            <label style="display:block; margin-bottom:20px;">
                <input id="hideUIButton" type="checkbox" ${settings.hideUIButton ? 'checked' : ''} /> Hide Script Button (Alt+Shift+U to Show)
            </label>
            <button id="saveSettingsBtn" style="padding:8px 14px;background:#065fd4;color:white;border:none;border-radius:8px;font-size:15px;font-weight:500;cursor:pointer;">Save Changes</button>
            <button id="resetSettingsBtn" style="margin-left:10px;padding:8px 14px;background:none;color:${darkMode ? 'white' : 'black'};border:1px solid lightgrey;border-radius:8px;font-size:15px;font-weight:500;cursor:pointer;">Reset to Default</button>
        `;

        overlay.appendChild(menu);
        document.body.appendChild(overlay);

        document.getElementById('closeOverlay').onclick = () => {
            document.body.removeChild(overlay);
            uiButton.style.pointerEvents = 'auto';
            uiButton.style.opacity = '1';
        };

        document.getElementById('saveSettingsBtn').onclick = () => {
            const showMoreBefore = settings.enableShowMoreFix;
            saveSetting('videosPerRow', parseInt(document.getElementById('videosPerRow').value, 10));
            saveSetting('shortsPerRow', parseInt(document.getElementById('shortsPerRow').value, 10));
            saveSetting('disableShorts', document.getElementById('disableShorts').checked);
            saveSetting('enableShowMoreFix', document.getElementById('enableShowMoreFix').checked);
            saveSetting('hideUIButton', document.getElementById('hideUIButton').checked);

            if (document.getElementById('hideUIButton').checked) {
                uiButton.style.display = 'none';
            } else {
                uiButton.style.display = 'block';
            }

            if (showMoreBefore !== document.getElementById('enableShowMoreFix').checked) {
                location.reload();
            }

            enableShowMoreFix();
            document.body.removeChild(overlay);
            uiButton.style.pointerEvents = 'auto';
            uiButton.style.opacity = '1';
        };

        document.getElementById('resetSettingsBtn').onclick = () => {
            resetSettings();
            document.body.removeChild(overlay);
            uiButton.style.pointerEvents = 'auto';
            uiButton.style.opacity = '1';
        };
    }

    createSettingsButton();

    // Hide or show button when navigating to the home or subscriptions page
    function checkPageAndToggleUIButton() {
        const isHomeOrSubscriptions = window.location.pathname === '/' || window.location.pathname === '/feed/subscriptions';
        if (isHomeOrSubscriptions) {
            uiButton.style.display = settings.hideUIButton ? 'none' : 'block';
        } else {
            uiButton.style.display = 'none';
        }
    }

    // Listen for page navigation changes and handle button visibility
    window.addEventListener('yt-navigate-finish', checkPageAndToggleUIButton);
    checkPageAndToggleUIButton();
})();