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Data File Tool

CSV Splitter

CSV Splitter.

Split CSV files by row count or by unique column values.

Your files never leave your device

Options

What it does

Split CSV files by row count or by unique column values.

Why use it

CSV Splitter helps you split csv file online in your browser — fast, private, no upload required.

Example input

name,email,signup_date
Alice,alice@example.com,2024-01-15
Bob,bob@example.com,2024-02-01

Example output

part-1.csv (1000 rows)
part-2.csv (remaining rows)

Frequently Asked Questions

Is my data uploaded when using CSV Splitter?

No. All processing runs locally in your browser. Your files never leave your device.

Do I need an account?

No account is required. All tools are free and work instantly.