Excel Compare Tool
Compare two Excel files side-by-side, highlight differences, and export clean reports for audits, version control, and data validation.
How it works: Upload original Excel file → upload updated version → select sheets → configure options → review differences → export report. Privacy first: All processing happens in your browser.
Original File
Updated File
Benchmark Performance
Real-world tested, production-ready
184K cells/sec
1M+ rows
Sub-second
View full benchmark →