Excel Duplicate Remover
Upload an Excel/CSV file and remove duplicate rows. Compare by specific columns or entire rows. Choose to keep first, last, or remove all duplicates. 100% local.
Upload File
Click or drag & drop
Excel or CSV
Excel or CSV
Comparison Mode
Upload file first
Keep Occurrence
Results
Original: 0 rows | Duplicates removed: 0 | Final: 0
Original: 0 rows | Duplicates removed: 0 | Final: 0
Process file to see results
How to Use
1
Upload
Upload an Excel or CSV file.
2
Configure
Choose comparison mode, columns, and keep method.
3
Remove & Download
Click Remove Duplicates and download clean data.
Use Cases
Email Lists
Remove duplicate email addresses from mailing lists.
Remove duplicate email addresses from mailing lists.
Data Cleanup
Deduplicate imported records from multiple sources.
Deduplicate imported records from multiple sources.
Customer Data
Remove duplicate customer entries by ID or name.
Remove duplicate customer entries by ID or name.
Privacy
All processing in-browser. Files never leave your device.
All processing in-browser. Files never leave your device.
✓ Done!