Overwolf DevCools enhances the development experience by providing a modern dashboard integrated within the Chrome browser. This free add-on replaces the standard Overwolf Packages window, offering developers better control and visibility over their applications. Key features include the ability to automatically open DevTools with specific windows, smart tab navigation with app icons, and a quick app refresh option. The interface is visually organized with color-coded apps, allowing for efficient management and recognition of various windows.

In addition to its functional features, DevCools emphasizes user customization with built-in dark and light themes. It also includes a 'Packages Hider' script to streamline the interface further by hiding the original Overwolf window. As an open-source project, it operates locally, ensuring that no data is transmitted externally. However, users must keep the Overwolf Packages window open for optimal functionality.