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Data Analysis · browser workspace

Count CSV Rows and Columns Online

Count rows and columns, inspect headers, and check CSV file size privately in your browser.

Quick start

Built for checking row count, column count, headers, and file size before an import or handoff.

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

Output: A JSON report with basic CSV dimensions and headers.

  1. 1Upload the CSV.
  2. 2Review the compact file report.
  3. 3Download the JSON summary if you need to share it.
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How to CSV Row and Column Count

  1. 1Choose a CSV file
  2. 2Review its row count, column count, and headers
  3. 3Download the small JSON report if needed

Why Use This Tool?

  • ✓Instant file profile
  • ✓Useful before imports
  • ✓No upload required
  • ✓Simple JSON report

Frequently Asked Questions

Does the count include the header row?

The row count reports data rows and treats the first row as headers.