Manipulates DOM elements in Gemini chat to enable PDF friendly prints. By Default Cmd+P only prints what's visible in viewport (display). Copy+Paste in browser console. (Tampermonkey scripts won't run on Gemini). ** Scroll up to reveal older exchanges before running.

Gemini-print-mode

// Print Gemini
(function() {
    // 1. SMART EXPAND
    const expandIcons = document.querySelectorAll('mat-icon[fonticon="expand_more"]');
    expandIcons.forEach(icon => {
        const clickable = icon.closest('button') || icon.closest('[role="button"]');
        if (clickable && clickable.getAttribute('aria-expanded') === 'false') {
            const text = clickable.innerText.toLowerCase();
            if (!text.includes('thinking')) clickable.click();
        }
    });

    console.log("Expanding and deep-cleaning the DOM...");

    setTimeout(() => {
        // 2. CAPTURE CONTENT
        const chatContainer = document.querySelector('message-list') || document.querySelector('main');
        if (!chatContainer) return;

        const clone = chatContainer.cloneNode(true);

	// fix img
// Process all images inside the clone
clone.querySelectorAll('img').forEach(img => {
    // Kill lazy loading and async decoding so the browser fetches them immediately
    img.removeAttribute('loading');
    img.removeAttribute('decoding');
    
    // Some user-uploaded images use 'blob:' URLs or data attributes. 
    // This forces the clone to explicitly hold onto the exact source.
    const realSrc = img.getAttribute('src') || img.dataset.src;
    if (realSrc) {
        img.setAttribute('src', realSrc);
    }
});

        // Replace 'button' in your selector list with 'button:not(:has(img))'
clone.querySelectorAll('input-container, user-profile-picture, side-navigation-content, thought-container, .thought-block, mat-icon, button:not(:has(img)), .action-buttons, footer, .input-area')
     .forEach(el => el.remove());

// Remove the button wrapper but keep the image inside it
clone.querySelectorAll('button:has(img)').forEach(btn => {
    const img = btn.querySelector('img');
    if (img) {
        btn.parentNode.replaceChild(img, btn);
    }
});
        // 3. TOTAL DOCUMENT RECONSTRUCTION
        // Wiping head removes all of Gemini's complex positioning/scrolling CSS
        document.head.replaceChildren(); 
        
        // 4. INJECT FRESH, SIMPLE STYLE
        const style = document.createElement('style');
        style.textContent = `
            html, body {
                background: white !important;
                color: black !important;
                height: auto !important;
                overflow: visible !important;
                margin: 0 !important;
                padding: 0 !important;
                font-family: -apple-system, system-ui, sans-serif;
            }
            body {
                padding: 40px !important;
            }
            #print-root { width: 100%; max-width: 850px; margin: 0 auto; }
            
            style { 
                display: none !important; 
            }

            /* FORCE VERTICAL STACKING: The Overlap Killer */
            * {
                position: static !important;
                display: block !important;
                height: auto !important;
                width: auto !important;
                overflow: visible !important;
                float: none !important;
            }

            /* PRESERVE INLINE ELEMENTS: The Formula & Table Saver */
            table, tr, td, th, .math-element, .MathJax, .mjx-container, 
            span, i, b, strong, a, svg {
                display: revert !important;
            }

            .message-row, .message-content, model-response, .query-content {
                margin-bottom: 40px !important;
                padding-bottom: 20px;
                border-bottom: 1px solid #eee;
            }

            /* Tables & Formulas */
            table { border-collapse: collapse; width: 100%; margin: 20px 0; border: 1px solid #ddd; }
            th, td { border: 1px solid #ddd; padding: 12px; text-align: left; }
            
            .math-element, .MathJax {
                margin: 10px 0;
            }

            pre, code {
                white-space: pre-wrap !important;
                word-break: break-all !important;
                background: #f8f8f8;
                padding: 15px;
                margin: 15px 0;
                border-radius: 4px;
            }

/* Add to your existing CSS string */
img, .licensed-image, .preview-image {
    max-width: 100% !important;
    max-height: 400px !important; /* Limits height to roughly half a page */
    object-fit: contain !important; /* Preserves aspect ratio without stretching */
    display: block !important;
    margin: 20px auto !important;
    
    /* PDF Print Rules */
    page-break-inside: avoid !important;
    break-inside: avoid !important;
}

            @media print {
                @page { margin: 1.5cm; }
		
            }

        `;

        // 5. RE-BUILD BODY
        const printRoot = document.createElement('div');
        printRoot.id = 'print-root';
        printRoot.appendChild(clone);

        document.head.appendChild(style);
        document.body.replaceChildren(printRoot);

        console.log("Ready. If print dialog doesn't open, hit Cmd+P.");
        setTimeout(() => { window.print(); }, 3000);

    }, 1000);
})();