WholeFiles

Remove duplicate rows

Drop repeated rows from a CSV, by the whole row or one column. Free on WholeFiles, with no sign-up, no watermark and no daily limit.

Runs on your device. Nothing is uploaded.Last reviewed 22 September 2026

Drop a file here

or

Nothing is uploaded. Everything happens on this device.

Questions

Which copy is kept?
The first one in the file. Sort the file first if a different one should be kept.
Can I ignore capital letters and spaces?
Yes. Tick "ignore case and spaces" and Smith, smith and " SMITH " count as the same.
Does it change the other rows?
No. Kept rows are written exactly as they were.
Is the file uploaded?
No.

More spreadsheet tools