Responsive Tester - Multi-Screen Simulator

Test responsive websites on multiple mobile, tablet & desktop screens. Real-time sync for scroll, click & form inputs.

🚀 The ultimate FREE, all-in-one responsive web testing tool for developers, designers, and QA engineers. Test your website on multiple devices simultaneously, integrated with AI for smart automation! Tired of resizing your browser or switching between tabs to check responsive designs? Responsive Tester - Multi-Screen Simulator is your all-in-one workspace to build, test, and debug responsive websites faster than ever. 🔥 KEY FEATURES: 📱💻 Test Multiple Screens Simultaneously Preview your website on mobile, tablet, and desktop views side-by-side in a single window. All screens feature real-time synchronization for scrolling, clicking, and form inputs. 🤖 AI-Powered Automated Testing (MCP Integrated) Supercharge your workflow with built-in AI. Utilizing the Model Context Protocol (MCP), our tool helps you easily automate UI tests, detect layout shifts, and validate responsive issues without writing complex test scripts. 📸🎥 Built-in Screenshot & Screen Recording Document bugs, share feedback, or showcase your pixel-perfect designs instantly. Capture full-page screenshots or record your multi-screen testing sessions with just one click. 🔍 Easy Element Inspection Debug like a pro! Easily inspect HTML/CSS elements, check media queries, and tweak styles directly within the simulator frames without disrupting your workflow. 🌟 WHY CHOOSE RESPONSIVE TESTER? ✔ 100% Free & All-in-one: Everything you need for responsive web design (RWD) in one lightweight extension. ✔ Developer-Friendly: Designed for web developers, UI/UX designers, and QA testers. ✔ Fast & Secure: Runs locally in your browser with zero lag. Stop guessing how your site looks on different devices. Install Responsive Tester today and make responsive web development smarter, faster, and AI-driven!