BrowserStack is a cloud-based platform for automated and manual software testing of websites and mobile apps across a massive range of real devices, browsers, and operating systems. Founded in 2011, the company provides a suite of tools for functional, visual, performance, and accessibility testing, allowing developers to eliminate the need for local test infrastructure and scale their testing efforts in the cloud. BrowserStack is trusted by over 50,000 teams, including major companies like Amazon and Microsoft, to deliver quality software faster.