Responsive Device Simulator

Responsive Device Simulator

Realistic mobile & tablet emulator for testing responsive sites in-browser

Website
Responsive Device Simulator screenshot

Responsive Device Simulator is a free Chrome and Firefox extension that lets you preview your website on a wide range of realistic mobile and tablet devices—from iPhone 5 to iPhone 15, Galaxy S series, Pixel phones, iPad Air, and even laptops. Switch devices with a single click, capture high‑resolution screenshots, and create GIF screencasts for presentations or documentation. It’s ideal for designers and developers who need fast, accurate responsive testing without leaving the desktop.