Dual Preview

This Chrome extension enables users to simultaneously preview and test web pages across both desktop and mobile devices, providing a seamless and streamlined workflow for designing, debugging, and presenting responsive websites. Its main features include synchronized dual views with instant refresh, support for real device viewports like iPhone and Android models, multiple adjustable panels for comparing different screen sizes, screenshot and sharing capabilities, QR code access for real device testing, and quick performance analysis via integration with speed assessment tools. It addresses challenges faced by designers, developers, and researchers who need accurate, efficient mobile testing and responsive design validation, making it ideal for web professionals seeking to optimize user experiences across devices without cumbersome window toggling or complex dev tools.

Dual Preview 可以在以下位置找到： Mockup & Device Frame Generators 类别。