Extract CSV Column

Extract, filter, or reorder specific columns from any CSV or TSV file using 1-based indices or column header names. Compliant with RFC 4180 quotation rules.

Private • In-browser processing • Zero server uploads

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How to Use Extract CSV Column

1
Paste CSV Table
Paste your CSV table or drop a file into the editor.
2
Specify Columns
Type the column names (e.g. 'Email, Name') or column numbers ('1, 3').
3
Export Columns
Copy the filtered dataset or save it directly as a new CSV file.

Key Features

Flexible Selection
Select columns by numeric index (e.g., '1, 3') or by matching column header names (e.g., 'Name, Email').
Column Reordering
Specify the order of columns to rearrange your table layout on the fly.
Quotation Integrity
Retains RFC 4180 quotes for cells containing commas, quotes, or line breaks.
Fast Client-Side Processing
Handles large tables directly in your browser without sending sensitive records to an external server.

Common Use Cases

  • Pruning massive database exports to keep only relevant fields like names and email addresses.
  • Reordering columns to fit strict template requirements of third-party CRM or ERP systems.
  • Extracting single column identifier lists (e.g. user IDs) for batch processing scripts.
  • Anonymizing datasets by omitting sensitive columns prior to sharing.

Frequently Asked Questions

Yes! Just type the header names separated by commas (e.g., 'Name, Email'). Matching is case-insensitive.

Yes! If you request '3, 1', column 3 will become the first column in the output and column 1 will become the second.

The parser normalizes ragged rows automatically by padding empty strings, so your output table remains aligned.

Sort CSV Data
Sort CSV rows by any column, ascending or descending, with header row support.
Change CSV Delimiter
Convert CSV between comma, semicolon, tab, pipe and other delimiters.
CSV to JSON
Convert a CSV file to a JSON array of objects, one per row.
Find Unique List Items
Remove duplicate lines and keep only the unique items in a list.
Sort a List
Sort a list of items alphabetically, numerically or by length — asc or desc.