🪄 YouTube UI Enhancer | Resize Thumbnails & Customize Layout

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

您需要先安装一个扩展,例如 篡改猴Greasemonkey暴力猴,之后才能安装此脚本。

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

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴Userscripts ,之后才能安装此脚本。

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

您需要先安装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 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();
})();