Makalu is now in Beta!
Achieve pixel-perfect layouts with the best browser for developers, testers and designers
A better way to browse develop the web.
The Makalu browser lets you build and experience responsive design. Built-in tools give you the superpowers to make your sites more accessible, use performance best practices, manage resources in the browser cache, and so much more.
Side-by-side Viewports
Preview several screen sizes in a single window and never miss a breakpoint!
Live Content Editing
Validate instantly if your content is displayed properly across all screen sizes and devices.
Developer & Designer Focus
Use well-known dev-tools and simply extend them with additional context and data as required.
Quality & Efficiency First
Track issues, then record and share them across your team to help deliver high quality faster than ever.
Simple, Side-by-Side Viewports.
Mobile, tablet, HD, 4K and all custom viewports in one side-by-side overview. No more switching between windows and modes!
Not only to Browse but to Preview & Edit.
With features such as live Content Editing and direct access to CSS and DevTools with extended functions like rotation, frames control and details about fonts/headings, there is no need to change tools to validate the impact of any content changes!
Screenshot, Recording, Feedback ready to be shared.
Get the ability to record the entire screen including all configured viewports directly from within the app and save them as .webm videos. These can then easily be attached to a Trello/Asana task or simply shared with team members or stakeholders!
The app for Windows and macOS is ready.
What's next??
We've spent months developing Makalu as an internal tool to help our own front-end developers and testers. Now we need you to help us shape and evolve it to match your and your team's needs. Join our Beta program and we'll give you Lifetime access as a big thank you!
If you think that some of your friends or colleagues may benefit from knowing about Makalu - please share!
Beta Lifetime access registration closes in: