phpMyAdmin is a free, open-source tool written in PHP that allows users to manage MySQL and MariaDB databases through a web interface. It provides an easy way to perform various database operations, such as creating, modifying, and deleting databases, tables, and records without needing to write complex SQL queries. The tool is widely used by developers and system administrators for its user-friendly interface and powerful features. With phpMyAdmin, users can import and export data, manage user privileges, and execute SQL commands directly, making database management more accessible and efficient for both beginners and experienced users.