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Step 1
Upload the source CSV or XLSX file.
CSV COLUMN RENAMER
Rename and reorder CSV columns in minutes.
Make supplier exports, reporting files and imports use the headers your destination expects. Match source fields to custom output column names and reuse the mapping next time.
✓ Free to try✓ Browser-local processing✓ Up to 5 MB / 10,000 rows
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How to use this converter
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Step 2
Edit output column names, remove unwanted fields, and map each output field to the correct source header.
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Step 3
Preview the result, save a mapping recipe and download CSV or XLSX.
Frequently asked questions
Can I rename several columns at once?
Yes. Add or rename output fields and map each to the corresponding source field.
Can I remove columns?
Yes. Remove an output column from the mapping before exporting.
Can I save these changes for next week?
Yes. Save a recipe in your browser and export a JSON backup. Browser recipes do not automatically sync between devices.
Other conversion tools
Choose the workflow that matches your file.
Need a reusable mapping?
Save your column mapping for the next export.