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Simplifying spreadsheets, one file at a time.

Remove Duplicates

Find and remove duplicate rows based on selected columns.

Drop or select an Excel file to remove duplicate rowsMax 20 MB per file

How it works

Upload your Excel file and select the sheet to clean.
Choose which columns define a duplicate row using the column picker.
Review the duplicate count, choose to keep first or last occurrence, and download the cleaned file.

Why use this tool

Clean up messy data exports, mailing lists, or imported datasets by removing exact or partial duplicates based on the columns that matter.

FAQ

Can I choose which columns to check for duplicates?

Yes. You select exactly which columns define a duplicate — it doesn't have to be all columns.

Can I keep the last occurrence instead of the first?

Yes. You can choose to keep either the first or last occurrence of each duplicate group.

Does it work on large files?

Yes. The tool handles files up to 20 MB, which covers most typical spreadsheets.