Private CSV column selection

CSV Column Extractor

Remove unwanted fields from a CSV dataset by selecting the headers you want to retain.

Your data stays in your browser. Files are processed locally and are never uploaded.

You can also drop one compatible file anywhere in this dashed area.

Create a smaller focused CSV

Extract names, email addresses, identifiers, or reporting fields without manually deleting spreadsheet columns.

Selected columns keep their original left-to-right order, and every data row is processed even when the preview is limited.

Frequently Asked Questions

Yes. Only the on-page preview is limited.

Yes. Select all and deselect all controls are provided.

No. It creates a separate downloadable result.