CompareCSV
CSV & Excel Comparison Tool
Compare CSV & Excel FilesInstantly Online
Upload CSV or Excel files, compare rows like Excel VLOOKUP, find duplicates, detect missing values, and download results instantly.
Upload File A
CSV or XLSX
Upload File B
CSV or XLSX
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CSV & XLSX Support
Upload and compare both CSV and Excel files with a modern drag-and-drop interface.
Smart Comparison
Compare rows, detect duplicates, find missing values, and merge datasets instantly.
Export Results
Download processed comparison reports as CSV files with one click.