Insert CSV Column

Insert a new column into CSV data

By Craftisle Team

About Insert CSV Column — Free Online Tool

Insert a new column into CSV data at a specified index. Header row gets column name, data rows get default value. Useful for adding new fields, data transformation, and CSV restructuring.

How to Use Insert CSV Column — Step by Step

  1. Paste CSV data

    Type or paste CSV data (with header row).

  2. Set options

    Choose separator, column index (1-based), column name (for header), default value (for data rows).

  3. Insert Column

    Click Insert Column. New column is inserted at specified index.

  4. Copy or download

    Copy the CSV or download as a .csv file.

Use Cases for Insert CSV Column

Add new fields

Insert a new column for data you want to add.

Data transformation

Restructure CSV by inserting columns at specific positions.

Prepare for import

Add required columns before importing to database.

FAQ — Insert CSV Column Free Online Tool

What is 'Column Index'?

1-based index. Column 1 = first column, Column 2 = second column, etc.

What happens to header row?

Header row gets the column name. Data rows get the default value.

Related Free Online Tools