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Data Analysis · browser workspace

Auto-detect CSV Column Types - Type Detection

Automatically detect data types for each column: integer, decimal, date, email, boolean.

Quick start

Built for automatically detect data types for each column.

Everything runs in your browser, so you can test the workflow with sample data when available before using production files.

Output: A new file or report produced locally in your browser.

  1. 1Choose a supported file or use sample data when available.
  2. 2Set the options shown for this workflow.
  3. 3Process the file locally, inspect the result, and download a new copy.
Preparing your private workspace…

How to Column Type Detector

  1. 1Upload your CSV file
  2. 2Types are auto-detected
  3. 3Download type report

Why Use This Tool?

  • ✓Auto Detection - Integer, decimal, date, email
  • ✓Schema Help - Understand your data
  • ✓Database Ready - Know types for import

Frequently Asked Questions

What types are detected?

Integer, decimal, boolean, date, email, and string (default).