ChatCSV allows users to analyze personal data by uploading CSV files and asking questions about the data. It offers several key features including the ability to upload files from various sources, generate common questions to facilitate analysis, provide visualizations for answers, and allow users to manage conversations. This tool can be applied in various industries such as retail, e-commerce, finance, banking, marketing, and advertising to gain insights into trends, customer behavior, inventory management, transaction trends, campaigns, customer demographics, and market research data.