Multi Screen Test is a browser-based tool for previewing websites across multiple screen sizes and device resolutions. It is aimed at web designers and developers who need a quick responsive-layout check without installing software.
💡 Pick it for real-device coverage, browser automation, and professional QA workflows.
BrowserStack is a cloud-based testing platform that enables developers to test their websites across various browsers on different operating systems and mobile...
Starting from $29/month
💡 Choose it when you need affordable cloud browser testing with automation and visual regression support.
LambdaTest is a cloud-based cross-browser testing platform that helps in running automated and live interactive tests on various web browsers and operating...
Starting from $15 per month
Responsively App contributors
💡 Pick it for a free local alternative with synchronized previews and developer-focused inspection tools.
Responsively App is a free, open-source desktop browser for testing websites across synchronized device views. It is aimed at frontend developers who...
Free, open source
💡 Choose it for serious responsive development with accessibility checks and synchronized local panes.
Polypane is a web development tool that allows you to build responsive websites faster with multiple synchronized views and integrated developer tools.
Starting from $15/month
💡 Pick it for a polished desktop workspace focused on synchronized responsive design testing.
Sizzy is a tool for developing responsive websites and testing them on multiple devices at once.
Starting at $19/month
💡 Choose it for a very quick, free mobile-and-tablet preview without installing an application.
Responsinator helps website makers quickly get an indication of how their responsive site will look on the most popular devices.
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