Excel Compare – Workbook & Cell Difference Checker
Compare two Excel workbooks (.xlsx, .xls) cell-by-cell. Audit worksheet tabs, row/column value changes, formula differences, and export spreadsheet comparison reports.
Excel Compare Features
Multi-sheet tab auditing, cell value & formula diffing, and privacy
📈 Multi-Sheet Tab Comparison
Audits worksheet tabs, visible vs hidden sheets, and sheet name mismatches.
🧮 Cell Value & Formula Audit
Compares cell values and underlying formulas across corresponding row/column coordinates.
⚡ SheetJS Binary Parsing
Parses binary `.xlsx`, `.xls`, and `.xlsm` files instantly inside browser memory.
🔒 100% Client-Side Privacy
Zero spreadsheet files or financial records are uploaded to remote servers.
How to Use Excel Compare
Upload Original & Modified Excel Workbooks
Browse or drag & drop .xlsx or .xls files into the upload zone.
Inspect Workbook Differences
Review worksheet tab mismatches, cell value modifications (~), and row/column changes.
Copy or Export Diff Report
Click Copy Diff or Download Report to save your Excel comparison log.
Frequently Asked Questions
How does Excel Compare compare multi-sheet workbooks?
The Excel Compare tool inspects worksheet names, active sheets, used cell ranges, cell values, and formula strings, generating a sheet-by-sheet comparison audit.
Are my Excel workbooks uploaded to any server?
No, 100% private. SheetJS parses binary `.xlsx` and `.xls` files directly inside local browser RAM memory. Zero spreadsheet data is uploaded.
Which Excel file formats are supported?
The tool supports `.xlsx`, `.xls`, `.xlsm`, and `.csv` spreadsheet files.