Azure Data Factory is a cloud-based data integration service provided by Microsoft Azure. It allows users to create, schedule, and manage data workflows, enabling the movement and transformation of data from various sources to destinations. This service supports a wide range of data sources, including on-premises databases, cloud storage, and SaaS applications. With Azure Data Factory, users can build data pipelines that automate the process of data ingestion, transformation, and loading. It offers a user-friendly interface and integrates with other Azure services, making it easier for organizations to manage their data and gain insights for better decision-making.