Azure Data Factory (ADF) is a cloud-based data integration service offered by Microsoft Azure. It allows organizations to create, manage, and automate data workflows and pipelines to move and transform data from various sources to destinations. ADF supports a wide range of data sources, both on-premises and in the cloud, and provides tools for orchestrating complex data workflows, including data transformation, ingestion, and integration. With its easy-to-use interface and scalability, Azure Data Factory is a powerful tool for building and managing ETL (Extract, Transform, Load) processes and data-driven solutions.