phpMyAdmin is a web-based tool that helps you manage databases for your website or web application. It provides an easy-to-use interface for performing tasks like creating, editing, and deleting databases, tables, and records. With phpMyAdmin, you can run SQL queries, import and export data, and perform other database management tasks without needing to write code or use complex database management software. It's like a user-friendly control panel for your website's database, making it easier to manage and maintain.