Clean your CSV files directly in your browser. Fast, free, and secure – no uploads.
Max file size: 50MB. CSV format only.
Remove duplicate rows from your CSV files quickly and securely with DataFixer. All processing happens directly in your browser, so your sensitive data never leaves your device. Our CSV Duplicates Removal tool is perfect for cleaning contact lists, sales reports, product catalogs, survey data, and any other CSV files. Fast, reliable, and easy to use: just upload your file, choose your options, and download a clean, ready-to-use CSV. Keep your data accurate, organized, and ready for analysis without installing any software.