Text Tools

Insert a TSV Column Guide

Learn when to use Insert a TSV Column, how to use it correctly, and how to avoid common mistakes.

What this guide covers

Use this tool to insert a new column into TSV data at a specific position. It is useful when imports, reports, or workflows require a new field in the middle of an existing TSV structure.

This guide explains when to use Insert a TSV Column, how to get a cleaner result, and which mistakes to avoid before moving on to related tools or the main tool page.

Why use Insert a TSV Column

Insert a new column into the middle of TSV data
Match import templates that require a fixed column order
Avoid manual row-by-row editing
Keep the rest of the TSV data in place
Work directly in the browser

How to use Insert a TSV Column

Put the 1-based insert position on line one
Put the new column header on line two
Put one value per TSV row after that
Leave a blank line
Paste the TSV below and run the tool

Best use cases

Matching fixed TSV import templates
Adding fields to the middle of exports
Rebuilding TSV column order
Preparing reports with required intermediate fields
Inserting metadata into existing TSV structures

Common mistakes

Using index 0 instead of 1

Fix: This tool uses 1-based column positions.

The values count does not match the TSV row count

Fix: Provide one new value for each TSV data row.

Using a position outside the valid range

Fix: Use a position from 1 to header length plus 1.

Use the tool

Ready to run Insert a TSV Column? Open the main tool page to enter your input, generate the result, and copy or download the output.

Open Insert a TSV Column