Only One Window! is a free Chrome extension developed by barmassimo. As the name suggests, this extension allows you to move all your tabs into the active window with just a few simple steps. Whether you prefer using keyboard shortcuts or the extension icon, you can easily group all your tabs into a single window.

With Only One Window!, you no longer have to worry about cluttered and scattered tabs across multiple windows. By pressing CTRL + SHIFT + L or clicking on the extension icon, you can instantly organize and consolidate all your open tabs into a single window. This can greatly enhance your browsing experience, making it easier to navigate and manage multiple tabs.

If you find yourself overwhelmed with numerous tabs and windows, Only One Window! offers a convenient solution to streamline your browsing. Say goodbye to tab clutter and enjoy a more organized and efficient browsing experience with this handy Chrome extension.