Free · Keep one clean row

Remove Duplicate CSV Rows

Find repeated CSV rows by every column or the columns you choose, then keep one clear copy of each row.

  • Instant preview
  • Files stay in your browser
  • Download the result

Remove duplicates

Paste data or open a local CSV or TSV file.

Separator
Found: Comma
Columns that make a row unique
CSV inputexample.csv
Result preview
nameemailcityvisits
Maya Chenmaya@example.comToronto4
Leo Martinleo@example.comMontréal2
Amara Singhamara@example.comVancouver7
Data rows3
Columns4
Blank cells0
Result1 repeated row removed

Three simple steps

How to use it

  1. Open the CSV and choose the columns that make one row unique.
  2. Decide whether uppercase and lowercase values should count as the same.
  3. Review how many repeats were removed, then download the result.

Your file stays on this device

Papa Parse reads and changes the table inside this browser tab. Bookify does not upload or save the file. Close the tab and the working copy is gone.