React Context DevTool is a free Chrome extension developed by Deep Patel. It falls under the Browsers category, specifically the Add-ons & Tools subcategory. This tool is designed to help developers debug their React Context and useReducer API.

With React Context DevTool, you can easily track and visualize changes in context values. It provides different views such as tree, raw, and diff view to help you understand the changes more effectively. This allows you to quickly identify any unexpected behavior or issues in your React Context implementation.

What sets React Context DevTool apart is its support for the useReducer API. It enables you to debug state changes and dispatch actions directly from the DevTool interface. This can be incredibly useful when working with complex state management in your React applications.