WinSCP is a free and open-source file transfer client for Windows that allows users to securely transfer files between a local computer and a remote server. It supports various protocols, including SFTP, FTP, and SCP, making it versatile for different file transfer needs. The user-friendly interface provides drag-and-drop functionality, making it easy for users to manage their files. In addition to file transfers, WinSCP offers features like file synchronization, remote file editing, and scripting capabilities. It is widely used by web developers and system administrators for its reliability and security, ensuring that data is transferred safely over the internet.