OptiTranslate

Three engines: Google, Bing, Yandex. Total coverage.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

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

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

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

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

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

(I already have a user script manager, let me install it!)

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.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         OptiTranslate
// @namespace    com.vonkleist.optitranslate
// @version      1488
// @description  Three engines: Google, Bing, Yandex. Total coverage.
// @author       VonKleistL
// @match        *://*/*
// @run-at       document-end
// @grant        none
// @license      MIT
// ==/UserScript==

(function() {
    'use strict';

    const TARGET_LANG = navigator.language.split('-')[0] || 'en';

    // Safety: Don't run on translation sites or system pages
    if (window.location.hostname.match(/(translate|googleusercontent|yandex|bing|microsoft|apple|icloud)/)) return;
    
    // Improved Language Detection
    function isPageInTargetLang() {
        const docLang = document.documentElement.lang.toLowerCase();
        const metaLang = document.querySelector('meta[http-equiv="content-language"]')?.content?.toLowerCase();
        const detected = docLang || metaLang || '';
        return detected.startsWith(TARGET_LANG);
    }

    if (isPageInTargetLang()) return;
    if (document.body.innerText.length < 100) return; // Ignore very small pages

    // --- HOST ---
    const host = document.createElement('div');
    host.id = 'opti-translate-host';
    document.documentElement.appendChild(host);
    const shadow = host.attachShadow({mode: 'open'});

    // --- STYLES ---
    const style = document.createElement('style');
    style.textContent = `
        :host {
            all: initial; 
            z-index: 2147483647;
            position: fixed;
            bottom: calc(20px + env(safe-area-inset-bottom));
            left: 50%;
            transform: translateX(-50%);
            font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", sans-serif;
            pointer-events: none;
            width: 100%;
            display: flex;
            justify-content: center;
        }
        
        .opti-panel {
            background: rgba(28, 28, 30, 0.85);
            backdrop-filter: blur(25px) saturate(200%);
            -webkit-backdrop-filter: blur(25px) saturate(200%);
            border: 0.5px solid rgba(255, 255, 255, 0.2);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
            border-radius: 24px;
            padding: 8px;
            display: flex;
            gap: 8px;
            transform: translateY(150%);
            opacity: 0;
            transition: transform 0.6s cubic-bezier(0.23, 1, 0.32, 1), opacity 0.4s;
            pointer-events: auto;
            max-width: 90vw;
        }

        .opti-panel.visible {
            transform: translateY(0);
            opacity: 1;
        }

        .opti-btn {
            border: none;
            padding: 0 16px;
            height: 44px;
            border-radius: 18px;
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background 0.2s, transform 0.1s, box-shadow 0.2s;
            -webkit-tap-highlight-color: transparent;
        }
        
        .opti-btn:active {
            transform: scale(0.92);
            filter: brightness(1.2);
        }

        /* Google: Vibrant Blue */
        #btn-google {
            background: linear-gradient(135deg, #007AFF, #0056B3);
            box-shadow: 0 4px 12px rgba(0, 122, 255, 0.3);
        }

        /* Microsoft: Deep Teal */
        #btn-bing {
            background: linear-gradient(135deg, #32D74B, #248A3D);
            box-shadow: 0 4px 12px rgba(50, 215, 75, 0.3);
        }

        /* Yandex: Sunset Orange */
        #btn-yandex {
            background: linear-gradient(135deg, #FF9F0A, #FF3B30);
            box-shadow: 0 4px 12px rgba(255, 159, 10, 0.3);
        }

        .opti-close {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            border: none;
            color: #fff;
            font-size: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: background 0.2s;
        }
        
        .opti-close:active {
            background: rgba(255, 255, 255, 0.2);
        }
    `;
    shadow.appendChild(style);

    // --- BODY ---
    const panel = document.createElement('div');
    panel.className = 'opti-panel';
    panel.innerHTML = `
        <button class="opti-btn" id="btn-google">Google</button>
        <button class="opti-btn" id="btn-bing">Bing</button>
        <button class="opti-btn" id="btn-yandex">Yandex</button>
        <button class="opti-close" id="do-close">×</button>
    `;
    shadow.appendChild(panel);

    // --- NAVIGATION ---
    function navigate(url) {
        // iOS Safari behaves better with simple window.location for same-tab
        // or a real anchor click for new tab. 
        // We'll use window.location.href to translate the current page.
        window.location.href = url;
        closePanel();
    }

    // --- TRIGGERS ---
    shadow.getElementById('btn-google').onclick = (e) => {
        const url = encodeURIComponent(window.location.href);
        navigate(`https://translate.google.com/translate?sl=auto&tl=${TARGET_LANG}&u=${url}`);
    };

    shadow.getElementById('btn-bing').onclick = (e) => {
        const url = encodeURIComponent(window.location.href);
        // Updated Bing/Microsoft translator URL
        navigate(`https://www.bing.com/translator?to=${TARGET_LANG}&url=${url}`);
    };

    shadow.getElementById('btn-yandex').onclick = (e) => {
        const url = encodeURIComponent(window.location.href);
        navigate(`https://translate.yandex.com/translate?url=${url}&lang=auto-${TARGET_LANG}`);
    };

    shadow.getElementById('do-close').onclick = () => closePanel();

    function closePanel() {
        panel.classList.remove('visible');
        setTimeout(() => host.remove(), 600);
    }

    // --- ENTRANCE ---
    setTimeout(() => panel.classList.add('visible'), 800);

})();