Scribd Downloader

📚 Download documents from Scribd for free as PDF

Versão de: 03/12/2025. Veja: a última versão.

Você precisará instalar uma extensão como Tampermonkey, Greasemonkey ou Violentmonkey para instalar este script.

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

Você precisará instalar uma extensão como Tampermonkey ou Violentmonkey para instalar este script.

Você precisará instalar uma extensão como Tampermonkey ou Userscripts para instalar este script.

Você precisará instalar uma extensão como o Tampermonkey para instalar este script.

Você precisará instalar um gerenciador de scripts de usuário para instalar este script.

(Eu já tenho um gerenciador de scripts de usuário, me deixe instalá-lo!)

Você precisará instalar uma extensão como o Stylus para instalar este estilo.

Você precisará instalar uma extensão como o Stylus para instalar este estilo.

Você precisará instalar uma extensão como o Stylus para instalar este estilo.

Você precisará instalar um gerenciador de estilos de usuário para instalar este estilo.

Você precisará instalar um gerenciador de estilos de usuário para instalar este estilo.

Você precisará instalar um gerenciador de estilos de usuário para instalar este estilo.

(Eu já possuo um gerenciador de estilos de usuário, me deixar fazer a instalação!)

// ==UserScript==
// @name         Scribd Downloader
// @namespace    https://github.com/ThanhNguyxn/scribd-downloader
// @version      1.0.0
// @description  📚 Download documents from Scribd for free as PDF
// @author       ThanhNguyxn
// @match        https://www.scribd.com/document/*
// @match        https://www.scribd.com/doc/*
// @match        https://www.scribd.com/embeds/*/content
// @icon         https://www.scribd.com/favicon.ico
// @grant        GM_addStyle
// @grant        GM_openInTab
// @license      MIT
// ==/UserScript==

(function() {
    'use strict';

    // ==================== STYLES ====================
    GM_addStyle(`
        #scribd-dl-btn {
            position: fixed;
            bottom: 20px;
            right: 20px;
            z-index: 99999;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            border: none;
            padding: 15px 25px;
            border-radius: 50px;
            font-size: 16px;
            font-weight: bold;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
            transition: all 0.3s ease;
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
        }

        #scribd-dl-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
        }

        #scribd-dl-btn:active {
            transform: translateY(-1px);
        }

        #scribd-dl-btn.loading {
            opacity: 0.7;
            cursor: wait;
        }

        #scribd-dl-btn .icon {
            margin-right: 8px;
        }

        #scribd-dl-status {
            position: fixed;
            bottom: 80px;
            right: 20px;
            z-index: 99999;
            background: rgba(0, 0, 0, 0.85);
            color: white;
            padding: 12px 20px;
            border-radius: 10px;
            font-size: 14px;
            max-width: 300px;
            display: none;
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            backdrop-filter: blur(10px);
        }

        #scribd-dl-status.show {
            display: block;
            animation: slideIn 0.3s ease;
        }

        @keyframes slideIn {
            from {
                opacity: 0;
                transform: translateX(20px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        #scribd-dl-modal {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.7);
            z-index: 999999;
            display: none;
            justify-content: center;
            align-items: center;
            backdrop-filter: blur(5px);
        }

        #scribd-dl-modal.show {
            display: flex;
        }

        .modal-content {
            background: white;
            padding: 30px;
            border-radius: 20px;
            max-width: 500px;
            width: 90%;
            text-align: center;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
        }

        .modal-content h2 {
            margin: 0 0 20px 0;
            color: #333;
            font-size: 24px;
        }

        .modal-content p {
            color: #666;
            line-height: 1.6;
            margin-bottom: 20px;
        }

        .modal-content .btn-group {
            display: flex;
            gap: 10px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .modal-content button {
            padding: 12px 24px;
            border: none;
            border-radius: 10px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .modal-content .btn-primary {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
        }

        .modal-content .btn-secondary {
            background: #f0f0f0;
            color: #333;
        }

        .modal-content button:hover {
            transform: scale(1.05);
        }

        .progress-bar {
            width: 100%;
            height: 8px;
            background: #e0e0e0;
            border-radius: 10px;
            overflow: hidden;
            margin: 20px 0;
        }

        .progress-bar .progress {
            height: 100%;
            background: linear-gradient(90deg, #667eea, #764ba2);
            width: 0%;
            transition: width 0.3s ease;
            border-radius: 10px;
        }
    `);

    // ==================== UTILITIES ====================

    function getDocumentId() {
        const url = window.location.href;
        // Match: /document/123456/ or /doc/123456/ or /embeds/123456/
        const match = url.match(/(?:document|doc|embeds)\/(\d+)/);
        return match ? match[1] : null;
    }

    function isEmbedPage() {
        return window.location.href.includes('/embeds/');
    }

    function getEmbedUrl(docId) {
        return `https://www.scribd.com/embeds/${docId}/content`;
    }

    function showStatus(message, duration = 3000) {
        let status = document.getElementById('scribd-dl-status');
        if (!status) {
            status = document.createElement('div');
            status.id = 'scribd-dl-status';
            document.body.appendChild(status);
        }
        status.textContent = message;
        status.classList.add('show');

        if (duration > 0) {
            setTimeout(() => {
                status.classList.remove('show');
            }, duration);
        }
    }

    function sleep(ms) {
        return new Promise(resolve => setTimeout(resolve, ms));
    }

    // ==================== MAIN FUNCTIONS ====================

    async function scrollAllPages(progressCallback) {
        const pages = document.querySelectorAll("[class*='page']");
        const totalPages = pages.length;

        for (let i = 0; i < pages.length; i++) {
            pages[i].scrollIntoView({ behavior: 'smooth', block: 'center' });
            await sleep(400);
            if (progressCallback) {
                progressCallback(Math.round(((i + 1) / totalPages) * 50));
            }
        }
    }

    function removeToolbars() {
        const selectorsToRemove = [
            '.toolbar_top',
            '.toolbar_bottom',
            '.promo_div',
            '.blurred_page',
            '[class*="blur"]',
            '[class*="paywall"]',
            '[class*="overlay"]',
            '.auto_mobile_first',
            '.mobile_banner'
        ];

        let removed = 0;
        selectorsToRemove.forEach(selector => {
            const elements = document.querySelectorAll(selector);
            elements.forEach(el => {
                el.remove();
                removed++;
            });
        });

        // Clean document_scroller class
        const scrollers = document.querySelectorAll('.document_scroller');
        scrollers.forEach(el => {
            el.removeAttribute('class');
        });

        return removed;
    }

    function cleanupForPrint() {
        // Remove blur effects
        document.querySelectorAll('*').forEach(el => {
            const style = window.getComputedStyle(el);
            if (style.filter && style.filter.includes('blur')) {
                el.style.filter = 'none';
            }
        });

        // Make all pages visible
        document.querySelectorAll("[class*='page']").forEach(page => {
            page.style.visibility = 'visible';
            page.style.opacity = '1';
        });
    }

    function triggerPrint() {
        window.print();
    }

    // ==================== UI COMPONENTS ====================

    function createDownloadButton() {
        const btn = document.createElement('button');
        btn.id = 'scribd-dl-btn';
        btn.innerHTML = '<span class="icon">📥</span>Download PDF';
        btn.onclick = handleDownloadClick;
        document.body.appendChild(btn);
    }

    function createModal() {
        const modal = document.createElement('div');
        modal.id = 'scribd-dl-modal';
        modal.innerHTML = `
            <div class="modal-content">
                <h2>📚 Scribd Downloader</h2>
                <p id="modal-message">Preparing document...</p>
                <div class="progress-bar">
                    <div class="progress" id="download-progress"></div>
                </div>
                <div class="btn-group" id="modal-buttons" style="display: none;">
                    <button class="btn-primary" id="btn-print">🖨️ Print/Save PDF</button>
                    <button class="btn-secondary" id="btn-close">Close</button>
                </div>
            </div>
        `;
        document.body.appendChild(modal);

        document.getElementById('btn-close').onclick = () => {
            modal.classList.remove('show');
        };

        document.getElementById('btn-print').onclick = () => {
            modal.classList.remove('show');
            setTimeout(triggerPrint, 300);
        };

        return modal;
    }

    function showModal(message, showButtons = false, progress = 0) {
        let modal = document.getElementById('scribd-dl-modal');
        if (!modal) {
            modal = createModal();
        }

        document.getElementById('modal-message').textContent = message;
        document.getElementById('download-progress').style.width = progress + '%';
        document.getElementById('modal-buttons').style.display = showButtons ? 'flex' : 'none';
        modal.classList.add('show');
    }

    function updateProgress(percent) {
        const progressEl = document.getElementById('download-progress');
        if (progressEl) {
            progressEl.style.width = percent + '%';
        }
    }

    // ==================== HANDLERS ====================

    async function handleDownloadClick() {
        const btn = document.getElementById('scribd-dl-btn');
        const docId = getDocumentId();

        if (!docId) {
            showStatus('❌ Document ID not found!');
            return;
        }

        if (!isEmbedPage()) {
            // Redirect to embed page
            showStatus('🔄 Redirecting to embed page...', 0);
            const embedUrl = getEmbedUrl(docId);
            window.location.href = embedUrl;
            return;
        }

        // We're on embed page, start download process
        btn.classList.add('loading');
        btn.innerHTML = '<span class="icon">⏳</span>Processing...';

        try {
            showModal('🔄 Loading all pages...', false, 0);

            // Step 1: Scroll through all pages
            await scrollAllPages((progress) => {
                updateProgress(progress);
                showModal(`📄 Loading pages... (${progress}%)`, false, progress);
            });

            // Step 2: Remove toolbars
            showModal('🧹 Cleaning up interface...', false, 60);
            await sleep(500);
            const removed = removeToolbars();

            // Step 3: Cleanup for print
            showModal('✨ Optimizing for print...', false, 80);
            await sleep(500);
            cleanupForPrint();

            // Step 4: Ready to print
            showModal('✅ Ready! Click the button below to save PDF', true, 100);

            btn.classList.remove('loading');
            btn.innerHTML = '<span class="icon">✅</span>Ready!';

        } catch (error) {
            console.error('Scribd Downloader Error:', error);
            showModal('❌ An error occurred: ' + error.message, false, 0);
            btn.classList.remove('loading');
            btn.innerHTML = '<span class="icon">📥</span>Download PDF';
        }
    }

    // ==================== INITIALIZATION ====================

    function init() {
        // Wait for page to load
        if (document.readyState === 'loading') {
            document.addEventListener('DOMContentLoaded', () => {
                setTimeout(createDownloadButton, 1000);
            });
        } else {
            setTimeout(createDownloadButton, 1000);
        }
    }

    init();

})();