CSV is a text-based file format used for storing tabular data, where each value is separated by a comma. It is commonly used for importing and exporting data between applications such as spreadsheets and databases. CSV files are simple and lightweight, making them easy to process and manipulate.
HTML is the standard markup language used for creating web pages and applications. It structures content on the web, including text, images, links, and multimedia. HTML files are interpreted by web browsers to render web pages, making them essential for web development and content management.