StylePad is a Chrome add-on that serves as a visual CSS sandbox, enabling users to experiment with styles directly on live websites. It allows for real-time CSS editing without the need for browser DevTools, making it ideal for web designers and front-end developers. Key features include instant element inspection on hover, live editing in a sandbox environment, and the ability to copy clean CSS for reuse. Additionally, users can take screenshots of elements with applied styles and compare styling differences between elements.

This tool prioritizes a user-friendly experience by providing options for temporary and persistent edits, as well as site-specific style sessions. StylePad stands out for its simplicity, offering smart selectors and quick-edit buttons for common properties. It is completely free and open source, with no tracking or paywalls, ensuring users can focus on their workflow without distractions.