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Preview websites on multiple device screens simultaneously. Test responsive designs instantly. ResponsiveView - Test Responsive Designs Instantly Preview your website on multiple device screens side by side. No more resizing your browser window manually — see how your site looks on phones, tablets, and desktops all at once. 📱 Multi-Device Preview Open a dedicated preview page with multiple device viewports displayed simultaneously. See your website on iPhone, iPad, Samsung, and desktop screens — all in one view. 🖥️ 19+ Device Presets Pre-configured screen sizes for the latest devices: • Phones: iPhone 15/16, Samsung Galaxy S24, Google Pixel 9 • Tablets: iPad Pro, iPad Air, iPad Mini, Galaxy Tab S9 • Desktop: HD (1366px), Full HD (1920px), 2K, Ultrawide 📐 Breakpoint Indicator Instantly see which CSS breakpoint is active for each viewport: • xs (<640px) • sm (640-767px) • md (768-1023px) • lg (1024-1279px) • xl (1280-1535px) • 2xl (≥1536px) Color-coded badges match Tailwind CSS breakpoints. 🔄 Rotate & Zoom Toggle portrait/landscape mode and zoom in/out on any viewport independently. 🌐 Works with Localhost Test your local development server (localhost:3000, localhost:8000, etc.) directly in the preview. ⚡ How to Use: 1. Click the ResponsiveView icon in your toolbar 2. Enter a URL (or use the current page) 3. Click "Open Multi-Device Preview" 4. Your website appears on 4 devices simultaneously! 5. Add more devices, rotate, zoom, and compare 🎯 Perfect For: • Frontend developers testing responsive layouts • Web designers reviewing breakpoints • QA testers checking cross-device compatibility • Freelancers presenting responsive designs to clients 🔒 Privacy: • No data collected or transmitted • No account required • Everything runs locally in your browser Lightweight, fast, and free. Built by developers, for developers.
May 9, 2026
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