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Split CSV by Column Value

Free tool to split a CSV into separate files grouped by the value of a column, in your browser.

Learn more: CSV Files ExplainedThe CSV format, RFC 4180 quoting rules, encodings, common pitfalls, and how CSV compares to TSV, JSON and Parquet.

Group by column

CSV

Runs entirely in your browser — nothing you enter is uploaded or stored.

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Split CSV by Column Value

Free tool to split a CSV into separate files grouped by the value of a column, in your browser.

All processing happens in your browser — your files never leave the page, which you can confirm from the Network panel or our privacy policy.

Frequently asked questions

How do I use the Split CSV by Column Value?

Paste your CSV, set the options, and the resulting files appear below to download individually. Everything runs in your browser.

Is my data uploaded anywhere?

No. This tool runs entirely in your browser — your CSV files are never sent to a server.

Is the Split CSV by Column Value free?

Yes — completely free, no sign-up and no limits.

Split CSV by Column Value

Frequently asked questions

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