Redux is a widely adopted state management library for large-scale React applications, offering predictability and a robust ecosystem that makes it an ideal solution for complex apps. A key advantage of Redux is its accompanying developer tool, Redux DevTools, which provides features like action tracing, allowing developers to see the call stack that triggers actions and navigate directly to code locations, thus enhancing debugging efficiency. The tool's capabilities include time travel to analyze app state changes, custom dispatch for testing, action skipping, and state locking, which help manage and monitor application states effectively. Additionally, Redux DevTools supports allowing or blocking specific actions, persisting states across page reloads, and enabling production use for better bug analysis. It can also pin to sub-states and commit actions to streamline development in large applications. With its integration into React Native, Redux DevTools accelerates development across web and mobile platforms, making it an invaluable resource for developers aiming to improve debugging and application reliability.