Safari Technology Preview is a web browser meant for web developers, but it can also be used by consumers. This web browser is designed to offer developers a preview of future OS X and iOS web technologies, which includes things such as the latest visual effects, layout technologies, and many other developer tools. Moreover, the browser allows developers access the latest iterations of Responsive Design Mode and Web Inspector – the former helping developers make sites that work across different devices, such as mobiles and desktops.