PolypaneYour devtools make you fast. Now imagine your entire browser is like that.
Polypane is a fully-featured browser for developers and designers.
Develop, debug and test twice as fast in multiple screens at once, all kept in sync. Make your sites and apps work everywhere with extensive developer tools unrivaled by any browser.
Used by teams worldwide
Polypane is the browser for developers and designers that care about the quality of their work.
Develop responsive websites and apps twice as fast and get better results, because you wont be skipping screen sizes and wishing for the best.
Build higher quality websites, whether you use Wordpress, React, Angular, Svelte, Bootstrap, Drupal or any other CMS, library or framework. Polypane fits with any workflow.
Polypane has the right tools built-in for developing, debugging and testing, like devtools extensions, live reloading, accessibility testing and more. Oh, and you still get the Chromium devtools.
Your site is visited on many different devices. With Polypane you build on them too.
Never resize your browser again
Emulate real devices, use your responsive CSS breakpoints or pick your own dimensions. No resizing needed.
Syncs all your actions
Interacting with one viewport means interacting with all of them. Scrolling, hovers, clicks and forms, it just works.
Edit all panes at the same time
Make changes to all panes at once using our Live CSS editor.
Polypane has all the tools you need to build great web experiences
On Mac, Windows & LinuxSocial media previews and meta info
Live previews of how your site looks when shared on social media, and all your meta information visible.
Powerful developer tools
Developer tools like you're used to from Chromium, with support for devtools extensions like React, Vue, Angular, Svelte and more.
Full page screenshots
You want best in class screenshots, and we have them. No other browser comes close in terms of rendering accuracy. We also support screenshots of all your viewports.
Everything you need to make awesome web experiences
Device emulation, meta previews, handoff tools, CSS breakpoint detection, live CSS editing, side browser, built-in live reloading, dark mode, touch and mobile emulation, dev tools extensions, workspaces and more. Polypane has it all.
Developers and designers love Polypane
Here's what they have to say:
Polypane is easily one of the most useful tools for modern web designers and developers.
It is convenient seeing your work in multiple responsive views at the same time. Love it, đź’Ż
Polypane is fast, helps me catch issues and the meta information preview is awesome.
Using Polypane and woah this is awesome! It’s really slick and fast! I was just 5 minutes in and I already fixed a bug.
This thing is FAST and the synchronized scrolling works amazingly. Prepare to be impressed.
Discovering Polypane was a game-changer to how I develop responsive websites.
Polypane is a smart design environment where you can preview your designs across devices and viewports.
The first half hour in Polypane solved the frustration I had with responsive design. I really like it.
If you’re developing a website, Polypane comes in quite handy. Already an essential tool.
An invaluable tool for responsive website testing. A must-have for front-end developers.
Polypane quickly became an indispensable part of my workflow. With a tool like this, you have no excuse not to create great, responsive experiences!
A vital part of the web development toolkit for testing and troubleshooting responsive design.
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The browser for developers and designers building amazing sites and web apps.
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