Drop two spreadsheets above to compare them
Compare Spreadsheets — Procurement
Compare CSV or Excel files row by row. See which cells changed or rows added/removed. From €9.99/mo.
How to compare spreadsheets
- Upload the first CSV or Excel file.
- Upload the second file.
- Click Compare — every changed row, added entry, and removed line is highlighted.
Key features
- CSV and Excel (.xlsx, .xls) support
- Row matching by a key column or by row position
- Changed, added, and removed rows all clearly highlighted
- Unlocks with Pro — €9.99/mo
Common uses
- Compare supplier bid spreadsheets side by side to find pricing differences
- Match purchase order line items against delivery receipts or packing lists
- Reconcile pricing and quantities across multiple vendor quotes in CSV or Excel
Frequently asked questions
How do I compare spreadsheets online?
Upload the first CSV or Excel file. Upload the second file. Click Compare — every changed row, added entry, and removed line is highlighted.
Are my files private when I use this tool?
Yes. All comparison runs locally in your browser. Your files never leave your device and are never sent to any server — not a policy promise, but an architectural fact. There is no server receiving your data.
No AI means no hallucinations
Compare Files uses a deterministic, logic-based engine — not a language model. It reports every change that is actually in your files, and never invents one.
Your files never leave your device. Everything runs in your browser — no uploads, nothing stored.
No AI, so no hallucinations. A deterministic engine reports every real change and never invents one.
No upload, no server wait. Comparisons run locally and keep working offline once the page has loaded.