Free Private CSV Compare
CSV Diff Tool
Compare CSV files cell by cell. Upload or paste two CSV files and instantly see which rows and cells changed, were added, or were removed. 100% private — runs in your browser.
CSV A (Original)
CSV B (Changed)
How CSV Diff Works
Upload or paste two CSV files and compare them cell by cell. Contrast highlights added rows, removed rows, and changed cells in a clean table view. Great for comparing data exports, spreadsheet snapshots, and configuration tables.