Prepros acts as a comprehensive preprocessing tool that simplifies the development process by automating repetitive tasks and providing a unified platform for managing and optimizing web assets. With Prepros, developers can compile preprocessors like Sass, Less, Stylus, and CoffeeScript, minify and concatenate CSS and JavaScript files, optimize images, and even synchronize changes across multiple devices in real-time. Its intuitive user interface and robust feature set make it a valuable asset for both beginners and seasoned web developers.