Remove duplicate CSV rows

Delete repeated rows from a CSV file and keep the first of each.

Choose csv filesor drop them here · CSV, TSV, TXT
Leave empty to compare whole rows. Otherwise header names, letters or numbers, like Email or B, D.
  • Runs on your device. Files are never uploaded.
  • Free and unlimited. No sign-up, no watermark.
1

Add your file

Choose or drop it in. It opens right here in your browser.

2

Pick the settings

Or keep the defaults, which suit most files.

3

Download

Your file is made on your own device, then saved like any download.