The browser for ambitious web developers.
Build better websites in less time with a stand-alone browser that makes your site more responsive, more accessible and more performant. Save hours on each project, love every minute of it.
You're in great company
Talented developers from these companies use Polypane.
For ambitious web developers and designers
Like using DevTools with cheats enabled.
Powerful dev tools, multiple synced viewports, full-height screenshots, over two dozen debug tools, device and media query emulation, built-in live-reloading and more.
Responsive design
Mobile screens to 5K monitors, see all viewports in one overview.
Accessibility
Over 80 accessibility tests, 19 different simulators and 20+ debug tools.
Side by side views
Dark and light, reduced motion, screen and print. No more manual switching!