Question: Is there a data analysis tool that lets me ask questions and get answers from my CSV files without uploading them to a server?

If you need a data analysis tool that lets you ask questions and get answers from your CSV files without having to upload them to a server, AskCSV could be just the ticket. This browser-based tool uses AI technology to generate charts, product insights and marketing data analysis from your CSV files. You can upload your data by selecting cells, dragging and dropping files or pasting from your clipboard, and your data is private and secure.

Another good option is ChatCSV. This interface lets you ask questions in natural language and get answers in the form of visualizations like bar charts and pie charts. You can upload data from your computer, a URL or clipboard, and it'll suggest questions to get you started. It's good for retail, finance, marketing and other areas where you need to understand sales trends, customer behavior and other factors.

If you prefer an on-premises option, Tomat is designed to let you easily open and explore big CSV files without having to upload them to the cloud. It's got a simple interface for filtering, sorting and grouping data, and can handle CSV, Excel, PostgreSQL and Snowflake files. The software runs on Windows and macOS, and your data is private as you get instant previews of results and automated data profiling.

Also worth a look is DataChat, a no-code interface that lets you analyze data with a spreadsheet-like interface. You can upload data and ask questions in a chat-like interface to get AI-generated answers. DataChat automates data preparation, exploration and modeling, so it's good for data scientists, analysts and business users who need quick and trustworthy results. The service offers a 14-day free trial so you can try it out before signing up for a plan.