Compare Workbooks

Compare two Excel files cell by cell and download a diff report.

Original

Drop or select the original Excel fileMax 20 MB per file

Modified

Drop or select the modified Excel fileMax 20 MB per file

How it works

Upload two Excel files — the original and the modified version.
The tool compares them sheet by sheet and cell by cell, detecting additions, removals, and modifications.
Download an XLSX diff report with a summary tab and per-sheet change details.

Why use this tool

Track changes between workbook versions without relying on Excel's built-in tracking. Perfect for auditing spreadsheet updates, reviewing model changes, or verifying data migrations.

FAQ

What types of changes does it detect?

Added cells, removed cells, modified values, and modified formulas. It also detects sheets that were added or removed.

Does it compare formulas or just values?

Both. The report includes original and new values as well as original and new formulas for each changed cell.

What if a sheet exists in one file but not the other?

It is noted in the summary as an added or removed sheet.

⚖️ Compare Workbooks

How it works

Why use this tool

FAQ

⚖️ Compare Workbooks

How it works

Why use this tool

FAQ

Compare Workbooks

Compare Workbooks