Preact Developer Tools is a subscription-based add-on for Firefox designed specifically for web developers working with Preact, a fast and lightweight alternative to React. This tool enhances the development experience by providing features that allow developers to inspect the component hierarchy, analyze props and state, and debug applications efficiently. It integrates seamlessly into the Firefox browser, offering a user-friendly interface that simplifies the development process.

With Preact Developer Tools, users can access a range of functionalities that facilitate real-time inspection of Preact applications. The tool enables developers to visualize their component structures and track changes dynamically, making it easier to identify issues and optimize performance. This add-on is particularly valuable for those looking to streamline their workflow in building interactive web applications.