Generating CSV files is essential for Node.js applications that export data for spreadsheets, reports, or data interchange. As the creator of CoreUI with over 11 years of Node.js development experience since 2014, I’ve implemented CSV export functionality in countless enterprise applications. The most effective solution is to use the fast-csv library or build a simple CSV generator that converts data arrays to CSV format. This approach handles edge cases like quotes and commas while providing efficient file generation.