CSV to Excel
Convert a CSV file to Excel (.xlsx) in your browser. Download a real spreadsheet — nothing is uploaded.
Remove duplicate Excel rows
Remove duplicate rows from an Excel sheet in your browser. Optionally dedupe on selected columns only.
Drop an Excel file here or click to choose
Deduplicated locally — nothing is uploaded
How to use Remove duplicate Excel rows
Remove duplicate rows from an Excel sheet. Optionally key on selected columns only.
Everything runs locally in your browser — your files are never uploaded to a server.
Remove duplicate Excel rows FAQs
How do I remove duplicate rows from Excel?
Drop an Excel file, choose a sheet, optionally select key columns, then download a clean .xlsx.
Is removing Excel duplicates free?
Yes. Every Excel and CSV tool on ReallyUseful.Tools is free to use, with no account or subscription required.
Are my files uploaded?
No. Files are processed in your browser on this device. Nothing is uploaded to our servers.
Can I dedupe on specific columns only?
Yes. Select the columns that define a duplicate; other columns are ignored when deciding which rows to keep.
More Excel/CSV
Excel to CSV
Convert Excel .xlsx or .xls to CSV in your browser. Choose a sheet and delimiter, then download.
CSV viewer
Open and browse a CSV in a paginated table in your browser. No upload — view large files locally.
Merge CSV files
Combine multiple CSV files into one in your browser. Rows are stacked and headers aligned by name.
CSV to XML
Convert CSV rows into structured XML in your browser. Each row becomes an element — nothing is uploaded.