The only browser you need for responsive web design, development and testing on Windows, macOS and Linux. Test your site in many device and screen sizes and make it look great everywhere.
Sign up to get early access to Polypane and help me create the perfect browser for developers.
View your site in multiple panes. Get a full overview of your site in a single app.
Develop on multiple device sizes or generate panes directly from breakpoints.
Based on Chromium and includes powerful developer tools.
Generate a screenshot with a full overview of your site at all sizes and share it with anyone.
Quickly resize and stress-test your responsive design with focus mode.
Scrolling and mouse interactions are shared between panes. Develop once for all sizes.
“Easily one of the most useful tools for modern web designers and developers.”Stephen Hay Author of Responsive Design Workflow