Converters

CSV Group-By & Aggregate

Group CSV rows by a column and sum, average or count another.

Converters

CSV Group-By & Aggregate

Local only
Everything stays in your browser

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

How it works

Paste CSV with a header row. Columns can be given by name or number. Groups appear in the order first seen. Non-numeric cells are ignored for sum/average/min/max.

Good to know

Frequently asked questions

How do I use it?

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

How does it work?

Paste CSV with a header row. Columns can be given by name or number. Groups appear in the order first seen. Non-numeric cells are ignored for sum/average/min/max.

Is my data uploaded?

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