Find and remove duplicate rows from CSV files. Keep first or last occurrence. Clean your data for analysis.
All processing happens directly in your browser. Your files never leave your device and are never uploaded to any server.
Pretty-print, validate, and clean up CSV files
Compare two CSV files side-by-side, find added/removed/modified rows, key-based or positional matching, highlight differences, and download comparison report
View and edit CSV files in a spreadsheet-like interface
Identify and remove duplicate rows from CSV files
Drop CSV file here
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