Compare two spreadsheets and pinpoint exactly what changed — added/removed rows, new columns, and the cells that drifted. Runs locally in your browser.
Spreadsheet A (baseline)
Old / before version
A: not loaded
Choose .xlsx/.xls or .csv/.tsv. Everything runs locally in your browser.
Sheet
Spreadsheet B (new)
New / after version
B: not loaded
Tip: Use the same column headers in both files for the cleanest results.
Sheet
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What changed
Showing up to the first 200 changed cells/rows.
Row key
Column
A (before)
B (after)