Add Row Numbers to CSV - Auto Index Column

Add an auto-incrementing ID/index column to your CSV. Free row number generator. 100% private.

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Add Row Numbers

Add an auto-incrementing ID/index column.

How to Add Row Numbers

  1. 1Upload your CSV file
  2. 2Row numbers added
  3. 3Download with index column

Why Use This Tool?

  • Auto Increment - 1, 2, 3...
  • Custom Name - Name the column
  • First Column - Added at start

Frequently Asked Questions

Where is the column added?

The row number column is added as the first column.