About Sizzy

All the tools you need are in one place, responsive design is a breeze, no more context switching. You can test your websites on multiple devices under multiple conditions in parallel. A set of well-thought tools and features allow you to develop and test for all use-cases without having to manually simulate them in a regular browser.

Sizzy comes with a bunch of new ways to investigate and play around with the styles of your webpage, saving you a lot of time and frustration. With Sizzy’s highly customizable beautiful layouts and comprehensive screenshot and recording features, your design presentations will never look ugly.