Window Sizer by AIO

Window Sizer by AIO lets you resize your browser window to any dimension with a single click. Perfect for web developers, designers, and testers who need to preview websites at different screen sizes. Features include popular preset dimensions (Full HD, Laptop, Tablet, Mobile), custom width and height input, save your own presets for quick access, and real-time display of current window size. Works completely offline with no external connections required. Simple, fast, and lightweight. Created by AIO.com.ai.