Remove Duplicate Rows
Excel ToolsRemove fully duplicate spreadsheet rows.
Remove Duplicate Rows
Choose files
Drag & drop files here or click to browse
Processed locally in browser memory · Never uploaded
About Remove Duplicate Rows
Clean Excel (.xlsx) and CSV datasets by identifying and removing duplicate rows. Keep unique records, eliminate redundant data entries, and preserve header rows.
View key capabilities & tips
Key capabilities:
- Identifies duplicate rows across all columns or selected key columns
- Preserves the first occurrence and always protects the top header row
- Supports large datasets in XLSX and CSV formats with fast local processing
- Displays exact metrics showing total rows, duplicates found, and clean rows remaining
Tips:
- Ensure your spreadsheet has a clear header row so column names are recognized accurately.
- Review the summary count of removed duplicates before relying on the cleaned file.
- Always keep a backup copy of your original dataset before performing deduplication.