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Random CSV Generator

Generate sample CSV test data with chosen column types.

Your files stay on this device

Files are processed in your browser, never uploaded. The site downloads code and assets to run the tools. No accounts or trackers.

Use Download to save this tool as one HTML file for offline use.

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output

About this tool

Generate realistic sample CSV data with a header row, using secure randomness, entirely in your browser.

How random is the data?

Values are produced with crypto.getRandomValues, so the sample data is non-predictable each time you generate.

Which columns can I include?

Pick any mix of id, name, email, date, number, and boolean columns; the header row reflects your selection.