Sizzy is a browser designed specifically for web developers. It aims to streamline the web development process by providing a centralized platform with all the necessary tools in one place. Sizzy allows developers to easily test websites on multiple devices and under various conditions simultaneously, saving time and effort.

It also offers features for investigating visual bugs, creating visually appealing presentations, seamless context switching between projects, and adopting a modern workflow. The browser is actively maintained, prioritizes privacy, and supports popular devtools extensions.