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CSV Column Extractor

Keep and reorder CSV columns by index or header name.

Your files stay on this device

Files are processed in your browser, never uploaded. The site downloads code and assets to run the tools. No accounts or trackers.

Use Download to save this tool as one HTML file for offline use.

input

delimiter

columns to keep (in order)

output

About this tool

Pick and reorder the columns of a CSV by index or header name, entirely in your browser.

How do I choose columns?

Enter a comma-separated list of zero-based indexes (like 0,2) or header names (like name,city) in the order you want them.

Can I reorder columns?

Yes. The output columns follow the exact order you list, so you can rearrange or drop columns at once.