ViewPortify – Mobile Simulator & Responsive Design Testing Tool for Chrome

Mobile simulator for testing responsive designs across devices. Instantly preview and resize viewports in Chrome.

🚀 Test Responsive Designs Instantly Inside Your Browser ViewPortify is a powerful and lightweight Mobile Simulator and Responsive Design Testing Tool for Chrome that helps developers and designers preview websites across multiple screen sizes and devices — without leaving the browser. Quickly simulate mobile devices, adjust custom viewports, and test responsive layouts in real time. 📱 Key Features ✅ Mobile Device Simulation Instantly simulate popular mobile screen sizes to see how your website looks on smartphones and tablets. ✅ Custom Viewport Resizing Manually adjust width and height to test any screen resolution. Perfect for debugging responsive breakpoints. ✅ Real-Time Responsive Testing Preview layout changes live as you resize. No page reload required. ✅ Developer-Friendly Interface Clean, distraction-free design built specifically for web developers and UI/UX designers. ✅ Lightweight & Fast Optimized for performance with minimal impact on browser speed. 🎯 Perfect For Frontend Developers Web Designers UI/UX Designers QA Testers Agencies testing responsive client websites Whether you're building landing pages, SaaS dashboards, eCommerce stores, or WordPress websites, ViewPortify makes responsive testing effortless. 🔎 Why Choose ViewPortify? Unlike complex developer tools, ViewPortify provides a simple, focused mobile simulation experience with quick access to responsive testing controls — all in one click. No complicated setup. No external tools. Just fast and accurate viewport testing. 🛠 Use Cases * Test mobile-first designs * Check responsive breakpoints * Preview layouts before deployment * Validate UI alignment across screen sizes * Debug CSS media queries