CSV column extractor
Select and reorder CSV columns by their exact header names.
Result
Add your input, then select Extract columns.
How to use it
Enter column names as a JSON array, then export a smaller CSV in that order.
What to keep in mind
Header names must be unique. Formula-looking cells are neutralised for spreadsheet use.
Up to 2 MB per input, with smaller limits for complex operations. Clear removes the current input and result.
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