CSV column extractor
Keep only chosen CSV columns. Output a new CSV. Local only.
No uploads. No account. Free to use.
Drop a CSV
Nothing is uploaded. Processing stays on this device.
- Files never leave your device
- Runs entirely in your browser
- No signup required
- Free
What is csv column extractor?
The CSV column extractor outputs a new CSV that contains only the columns you tick.
How to use it
- Paste or drop a CSV.
- Tick the columns to keep.
- Download the sliced CSV.
When to use it
Share a slice of a sheet without handing over every field in the original export.
Frequently asked questions
Are my files uploaded?
No. This tool runs in your browser. Files and text stay on your device and are not sent to our servers.
Does this use AI?
No. It is a deterministic utility. There is no model and no third-party processing of your data.
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