CSV Column Extractor Online - Free CSV Column Picker

CSV Column Extractor Tool

Extract selected columns from CSV data using column names, numbers or ranges, then copy or download the new CSV.

Extract columns

You can select columns by header names like name,email, by numbers like 1,3,5, or by ranges like 1-4.

CSV Input and Column Settings

Upload CSV File Optional. You can also paste CSV below.

Input Delimiter

Custom Delimiter

First Row

Action

Output Delimiter

Output Headers

Header Match

Columns to Extract or Remove Use header names, column numbers, or ranges. Leave empty to extract all columns.

Optional Rename Headers Comma-separated new names for extracted output columns. Leave empty to keep original headers.

Paste CSV Data

0 Rows

0 Original Columns

0 Selected Columns

0 KB Output Size

Detected Columns

No columns detected yet.

Extracted CSV

Report

JSON Preview

Original Headers

Output Preview

No preview yet. Paste CSV and click Extract Columns.

About This Tool

CSV Column Extractor is a free online data tool that helps you extract or remove selected columns from CSV files or pasted CSV data.

You can upload a CSV file or paste CSV text, choose delimiter, use the first row as headers, select columns by header names, column numbers or ranges, remove selected columns, rename output headers, choose output delimiter and download the extracted CSV.

The tool also shows detected columns, row count, original column count, selected column count, output size, JSON preview and extraction report.

This tool is useful for developers, students, data analysts, spreadsheet users, website owners, database import preparation, email list cleaning and anyone who needs to keep only specific CSV columns.

How to Use CSV Column Extractor

1. Paste CSV data or upload a CSV file.
2. Choose the input delimiter such as comma, semicolon, tab, pipe or custom delimiter.
3. Choose whether the first row should be used as headers.
4. Enter columns to extract using names, numbers or ranges.
5. Choose whether to extract selected columns or remove selected columns.
6. Optionally rename output headers.
7. Click Extract Columns.
8. Review the preview, report and JSON preview.
9. Copy or download the extracted CSV.

Privacy Note: This CSV Column Extractor works directly in your browser using JavaScript. The CSV data you paste or upload is processed on the page and is not submitted through a form by this tool.

Frequently Asked Questions

Is this CSV Column Extractor free?

Yes. This CSV Column Extractor is free to use and does not require signup.

Can I upload a CSV file?

Yes. You can upload a CSV or TXT file, and the tool will process it directly in your browser.

Can I select columns by name?

Yes. If your CSV has headers, you can enter column names such as name,email,country.

Can I select columns by number or range?

Yes. You can enter column numbers such as 1,3,5 or ranges such as 1-4.

Can I remove selected columns instead of extracting them?

Yes. Choose “Remove selected columns” and enter the columns you want to remove.

Does this tool upload my CSV data to the server?

No. The column extraction is done directly in your browser using JavaScript and the page does not submit your data through a form.