Data Deduplicator

Remove duplicate rows from CSV data.

Processed locally in your browser. Your data is never uploaded.

Overview

Removes duplicate rows from CSV data, either by comparing entire rows or just one chosen column (e.g. deduplicate by email address).

How to use it

1Paste CSV data with a header row.
2Choose whether to compare entire rows or one specific column.
3Review the deduplicated table.

Related tools

CSV FormatterClean up CSV formatting and convert between delimiters.Column ExtractorExtract specific columns from CSV data.CSV ViewerView a CSV file as a formatted table.CSV to JSONConvert CSV data to a JSON array of objects.