DataCleaner

DataCleaner is a macOS app designed to clean, transform, and export CSV files quickly and safely — all locally on your Mac. Whether you’re working with messy spreadsheets, inconsistent headers, or large datasets, DataCleaner helps you prepare clean, reliable CSVs without complex tools or scripts. Features: • Trim whitespace and remove empty rows • Normalize and clean column headers • Apply column-based transformation rules • Preview cleaned data before export • Export professional CSV files with safe formatting • Batch process multiple CSV files (Pro) Privacy First: DataCleaner processes files entirely on your device. No data is uploaded, tracked, or shared. Perfect for analysts, researchers, students, and professionals who work with CSV files regularly.