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Step 1
Choose an .xlsx file or try the example CSV to explore the workflow.
EXCEL TO CSV CONVERTER
Convert Excel spreadsheets to CSV, without uploading your files.
Choose an XLSX file, review its first worksheet, map or retain the columns you need, then download CSV. RepeatKit processes your spreadsheet in the browser.
✓ 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
Review the detected headers. Keep them mapped to themselves for a simple conversion, or rename and reorder them.
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Step 3
Validate the preview and choose Download CSV. The output uses UTF-8 with a BOM.
Frequently asked questions
Does this convert every worksheet?
No. RepeatKit reads the first worksheet only. Export other sheets individually from your spreadsheet editor.
Are Excel formulas calculated?
No. The converter does not execute or recalculate spreadsheet formulas. Check computed values before relying on the export.
Can I change column names while converting?
Yes. You can rename, reorder, remove or map columns before downloading.
Other conversion tools
Choose the workflow that matches your file.
Need a reusable mapping?
Save your column mapping for the next export.