What is CodeSandbox and how does it function? CodeSandbox is an online tool for web development that enables users to create, share, and receive feedback through collaborative sandboxes, facilitating fast web development. It simplifies code collaboration by providing a single link to execute a sandbox and continue the development process. CodeSandbox offers quick prototyping and the ability to create real-time prototypes. It promotes knowledge sharing by allowing users to collectively use codes, apps, and templates. It also allows users to receive feedback on their code within the editor for better implementation. CodeSandbox provides a fast development environment without the need for setup or installations, making it accessible anytime and anywhere. Users have access to a wide range of private and public packages to develop powerful applications. The tool provides a customized development environment optimized for various frameworks. Users can directly run repositories and import from GitHub. CodeSandbox is free for personal use and offers reasonable pricing for team use.