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Screen Sizes is an online reference for comparing the dimensions and resolutions of common desktop, tablet, and mobile screens. It is useful for designers and developers planning responsive layouts and interface assets.
💡 Pick it for realistic cross-browser and real-device testing instead of reference-only screen dimensions.
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
Responsively App contributors
💡 Pick it for free, side-by-side responsive previews on your own computer.
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
💡 Pick it for a lower-cost cloud alternative that adds browser automation and device testing.
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
💡 Pick it for a dedicated, polished responsive-design browser used throughout daily development.
Sizzy is a tool for developing responsive websites and testing them on multiple devices at once.
Starting at $19/month
💡 Pick it for free, integrated viewport emulation while debugging a site in Chrome.
Chrome DevTools is a set of web developer tools built directly into the Google Chrome browser. It allows web developers to debug,...
DeviceAtlas
💡 Pick it when your product needs maintained device metadata or production-grade device detection.
DeviceAtlas is an enterprise device-detection and device-data platform that provides screen, browser, and hardware characteristics. It is intended for organizations that need...
Custom pricing
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