- Upload your original Excel file in the "Original File" field
- Upload the modified Excel file in the "Modified File" field
- Click "Compare Files" to analyze differences
- Review the side-by-side comparison showing added, removed, and modified cells
- Export the differences to Excel with color-coded highlighting
Compare Excel Files
Find differences between two Excel files with side-by-side comparison
Upload Files to Compare
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Frequently Asked Questions
Supports XLSX, XLS, and CSV files up to 10MB each. The tool compares the active sheet of both files.
The tool compares cells position-by-position and shows calculated values (not formulas). Differences are categorized as Added (new values), Removed (deleted values), or Modified (changed values).
Yes! All processing happens in your browser. Your files are never uploaded to our servers.