Simple online tools for developers, networking, text and conversions.
Text Tools
Extract a Column from TSV Guide
Learn when to use Extract a Column from TSV, how to use it correctly, and how to avoid common mistakes.
What this guide covers
Use this TSV column extractor to pull one column from tab-separated data by column index or header name. It is useful for exports, quick cleanup, analysis, and preparing single-field lists.
This guide explains when to use Extract a Column from TSV, how to get a cleaner result,
and which mistakes to avoid before moving on to related tools or the main tool page.
Why use Extract a Column from TSV
Extract one TSV column without manual copy and paste
Useful for IDs, emails, names, and other field cleanup
Supports column name or 1-based column number selection
Fast for browser-based TSV processing
Keeps the output simple and reusable
How to use Extract a Column from TSV
Enter the column name or 1-based column number on the first line
Leave a blank line
Paste the TSV data below
Run the tool
Review the extracted values line by line
Best use cases
Extracting email addresses from TSV exports
Pulling ID fields into a clean list
Getting one column for reuse in another tool
Cleaning TSV data before import or review
Preparing single-field text output from tables
Common mistakes
Forgetting the blank line between selector and TSV body
Fix: Put the header or index first, then a blank line, then the TSV data.
Using a column name that does not exist
Fix: Check the first TSV row and use the exact header text.
Using index 0 instead of 1
Fix: This tool uses 1-based column numbering.
Use the tool
Ready to run Extract a Column from TSV? Open the main tool page to enter your input,
generate the result, and copy or download the output.