CSS Breakpoint Button is a browser extension developed by Div or Die that provides users with a convenient way to display the current breakpoint and width of a webpage. Designed for Chrome, this free extension is a valuable tool for web developers and designers.

With CSS Breakpoint Button, users can easily determine the current breakpoint of a webpage by simply clicking on the extension icon. The extension supports two popular CSS frameworks, Bootstrap and Tailwindcss, and comes with prepackaged rule sets for these frameworks. This makes it incredibly easy for developers who work with these frameworks to quickly identify the current breakpoint.

In addition to the prepackaged rule sets, CSS Breakpoint Button also allows users to create custom breakpoints. This feature is especially useful for developers who work with different frameworks or have specific breakpoint requirements. By setting domain-specific settings, developers can easily switch between applications and frameworks without having to manually adjust the breakpoints.

Overall, CSS Breakpoint Button is a valuable extension for web developers and designers. Its ability to display the current breakpoint and width of a webpage, along with support for popular CSS frameworks and custom breakpoints, makes it a must-have tool for anyone working with responsive design.