Peeky is a free Chrome add-on that enhances the web development experience by providing a live overlay displaying the current viewport size. This tool is particularly beneficial for designers and developers who focus on creating responsive layouts, allowing them to see their window size in real time without navigating through complex DevTools. The simple interface is designed to be lightweight and distraction-free, ensuring that users can concentrate on their work without unnecessary interruptions.

One of the standout features of Peeky is its ability to snap to common device breakpoints with just one click, making it easier to test designs across various screen sizes. By eliminating the need for constant guessing or straining to read information from DevTools, Peeky saves time during the design and testing phases. This tool is built specifically for everyday responsive work, making it a valuable addition to any web developer's toolkit.