CSV Column Extractor

Pull one or more columns out of a CSV file.

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What the CSV Column Extractor does

Select, reorder, and extract specific columns from CSV datasets.

Pick the fields you actually need and get a leaner table you can paste straight into a spreadsheet or script.

Why the CSV Column Extractor is useful

Wide exports often contain many irrelevant fields, making analysis and sharing harder.

Deleting unwanted columns by hand in a spreadsheet invites missed cells, so a picker that keeps the header row intact saves repeated cleanup.

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How to use the CSV Column Extractor

  1. 1

    Paste the table

    Paste your CSV including the header row, then check that commas inside quoted cells are intact.

  2. 2

    Choose options

    Paste CSV data, choose the columns you need, and copy the smaller CSV with its header preserved.

  3. 3

    Trim and export

    Compare the remaining headers against the fields you meant to keep, then copy or download the trimmed table.

Key features

  • Header detection
  • Column selection
  • Reordering
  • Quoted-field parsing

Benefits

  • Creates focused exports without manually editing spreadsheets.
  • Output keeps row order and quoting, so downstream tools parse it without surprises.

Real-life use cases

Reporting

Slim a monthly sales export from forty columns down to the six your report actually uses.

Test fixtures

Feed a reduced dataset into an integration test without committing production-sized files.

Tips for the best results

  • Keep the header row intact and check duplicate column names before selecting.
  • Preview the kept headers first; a renamed or duplicated column is easier to catch before export than after.

Conclusion

A trimmed CSV is only as good as its header row, so open the output once before relying on it, especially if downstream jobs expect fixed column positions.

Frequently asked questions

Can I choose columns by name?

Yes, select the headers you want to keep.

Does it support quoted commas?

Yes, quoted CSV fields are parsed without splitting embedded commas.

Are rows kept in order?

Yes, source row order is preserved.

Does it upload my data?

No, processing is local in your browser.

Can I reorder columns?

Yes, arrange the selected columns before export.

What happens to missing cells?

They remain empty in their corresponding output positions.

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