Converters

CSV Data Type Detector

Detect each column's type and see how many cells are filled.

Converters

CSV Data Type Detector

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. Types: integer, decimal, boolean, date, email, url, number with symbol, text. A column gets a type only if every non-empty cell fits.

Good to know

Frequently asked questions

How do I use it?

Enter your csv data and press “Detect types”. 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. Types: integer, decimal, boolean, date, email, url, number with symbol, text. A column gets a type only if every non-empty cell fits.

Is my data uploaded?

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