Custom CSS Per Domain is a Chrome extension designed to enhance your web browsing experience by allowing users to inject custom CSS styles for individual domains. This tool is particularly useful for those who find certain websites visually unappealing or difficult to read, as it enables modifications to fonts, colors, and layouts to create a more personalized viewing experience. Additionally, developers can utilize this extension to experiment with new site styles without altering the live code, making it a versatile tool for both casual users and professionals.

Key features of Custom CSS Per Domain include the ability to apply multiple styles per domain, which can be organized under different tags for easy management. Users can quickly search and filter through their custom styles, enabling seamless navigation through their modifications. The extension also allows for on-demand enabling and disabling of styles, providing flexibility for users to test changes before finalizing them. Overall, this extension offers a powerful way to customize web pages and streamline the styling process.