Polypane is an integrated browser designed for ambitious developers who want to create responsive, high-performing, and accessible websites quickly. It is relied upon by industry leaders like AppSignal, Shopify, Circle, Google, Envato, Makerlog, Siemens, and more, to efficiently manage their business tasks. Within Polypane, users have access to a wide range of tools including multiple synced viewports, powerful devtools, over two dozen debug tools, live reloading, and full height screenshots. The responsive design of Polypane allows for a unified overview of multiple viewports, with real-time synchronization of scrolling, typing, clicking, and hovering. Additionally, the inbuilt dev tools extension seamlessly works with multiple JavaScript frameworks and provides simplified access to pre-existing CSS frameworks commonly used by businesses.











