Magento 2 Size Chart is a feature or extension available for the Magento 2 e-commerce platform. It is designed to help online store owners display size charts for their products, particularly for clothing, shoes, or other items that require specific sizing information. The Magento 2 Size Chart extension allows merchants to create and manage size charts for different product categories or individual products. The size charts can be customized to fit the store's branding and design, and they can be displayed on the product pages to provide customers with accurate sizing information.