React Grab is a browser-based code navigator and component inspector that links rendered user interface elements to the specific files and lines of source code where they are defined. It serves as a bridge between the browser interface and a local codebase to facilitate element identification and analysis.
The tool functions as a developer extension for React applications, mapping visual components to their originating source code. This capability provides specific code context to support manual review and AI-assisted development.
The project includes a framework for extending the browser interface through custom menu actions, toolbar items, and lifecycle hooks. It further supports frontend developer tooling via UI element source capture and component debugging.