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🚀 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
Track and analyze Chrome Web Store extensions with comprehensive analytics and insights.
