Choose files
Upload previous and current CSV or XLSX files. The first row supplies column names.
SPREADSHEET TOOL
Find every change between two tables.
Match rows by SKU, order number, or another key. See added and removed records, changed values, and duplicate keys in one reviewable report.
Files stay in your browser. No account or upload server.
Supplier price listPrevious ⇄ Current
Ready to review2Changed
1Added
1Removed
ChangedSKU-1042$18.00 → $19.50
AddedSKU-1098New in current file
RemovedSKU-1011Only in previous file
Illustrative example · Match by key, not row position
WORKSPACE
Compare two files
Use the first worksheet in each XLSX file. CSV files are read as UTF-8.
01Choose a CSV or XLSX file
02Choose a CSV or XLSX file
Choose two files or try the example.
RESULTS
Reconciliation report
| Status | Key | Details |
|---|
Preview shows the first 100 matching results. The Excel download includes every result.
HOW IT WORKS
Match by identity, then compare values.
Select a key
Choose a unique identifier such as SKU. Spaces around keys are trimmed; case matching is optional.
Review and export
Inspect changes and download an Excel workbook with summary, detail, and duplicate-key sheets.
Limit: 20,000 data rows and 100 columns per file, up to 10 MB each. XLSX formula cells use saved values; recalculate and save in Excel before comparing. Numeric keys with leading zeros should be stored as text.