VWFit is a streamlined Chrome extension designed specifically for web developers looking to optimize their viewport size easily. With a single click, users can resize their browser to match a preset viewport width, facilitating responsive design testing. The extension ensures that the viewport adjusts correctly, even when Chrome DevTools is open, providing accurate dimensions for development purposes.

Key features include the ability to include or exclude the scrollbar width from the target measurement and automatic saving of user settings. VWFit maintains a minimalistic user interface, focusing solely on essential functionalities without unnecessary presets. This makes it a practical tool for developers who prefer efficiency and simplicity in their workflow.