csv2excel

csv2excel is a highly performant tool to convert csv files into the Excel xlsx format. It can convert quickly a very large csv file to the Excel format (you don't need excel installed on your mac to convert). CSV2Excel — Fast CSV to Excel Converter Effortlessly convert your CSV and text files into polished Excel spreadsheets. Built with a native Rust engine for blazing-fast performance, CSV2Excel handles large files with ease while giving you full control over the output. Key Features - Convert CSV and TXT files to Excel (.xlsx) in seconds - Support for multiple delimiters: comma, semicolon, and tab - Automatic detection of numeric data — numbers stay as numbers, not text - Auto-fitted column widths for clean, readable spreadsheets - Custom worksheet naming - Add document metadata: title, subject, author, company, keywords, and more - Handles irregular CSV files with variable field counts per line - Light and dark mode support Simple & Powerful Just select your file, choose your delimiter, and convert. Need more control? Set a custom sheet name or fill in Excel document properties — all optional, all built in. Privacy First CSV2Excel processes everything locally on your Mac. Your data never leaves your device.