ToolToUse

Converters

CSV Duplicate Row Remover

Remove repeated rows from CSV data, keeping the first copy.

Converters

CSV Duplicate Row Remover

Local only
Everything stays in your browser

Your text is processed on your device — nothing is uploaded to a server.

How it works

Paste comma-separated data with a header row. Quoted values containing commas or line breaks are supported. The header row is always kept; cells are compared after trimming spaces.

Good to know

Frequently asked questions

How do I use it?

Enter your csv data, adjust the options and press “Remove duplicates”. Check the result, then copy or download it.

How does it work?

Paste comma-separated data with a header row. Quoted values containing commas or line breaks are supported. The header row is always kept; cells are compared after trimming spaces.

Is my data uploaded?

No. Everything is processed in your browser and nothing is sent to a server. No account is needed.

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