This project is a chrome extension. It provide to create windows to different sizes and multiple for front-end developers.
You can look below
https://emreozbek.github.io/multiple-windows/
Setup to extension from here and start to using. Open a website or yours file from local development. Click to extemsion icon. You can windows to different size from top menu and can test your project.
Updated project is compile.
npm run build