CSV to Excel Converter
Turn CSV into an XLSX file.
This CSV to Excel converter turns CSV text or a .csv file into a real .xlsx workbook you can open in Excel, Google Sheets or Numbers — quoted fields, commas and line breaks parsed correctly. It all happens in your browser, so your data is never uploaded.
How to use CSV to Excel Converter
The CSV to Excel Converter turns CSV into a proper .xlsx spreadsheet — not just a renamed file, but a real Excel workbook that opens cleanly anywhere. Paste CSV or drop a file; it converts in your browser, so nothing is uploaded.
- 1Paste your CSV, or drop a .csv file onto the page.
- 2Check the row and column count.
- 3Download a ready-to-open .xlsx file.
Real .xlsx
Produces a genuine Excel workbook, not a renamed CSV.
Correct parsing
Quotes, commas and newlines inside fields are handled per the CSV standard.
Private
Conversion happens on your device — nothing is uploaded.
Open CSV cleanly in Excel
Double-clicking a CSV can mangle dates and leading zeros. Convert to a real .xlsx first so Excel opens it exactly as intended.
Hand a spreadsheet to a colleague
Turn an exported CSV into a familiar .xlsx that anyone can open without import dialogs.
Convert an API or database export
Many tools export CSV. Convert it to Excel for sharing, formatting or charts.
Build an .xlsx from text
Paste rows of comma-separated data and get a structured workbook back in one click.
CSV to Excel Converter — frequently asked questions
Is the output a real Excel file?
Yes — it's a genuine .xlsx workbook that opens natively in Excel, Google Sheets and Numbers.
Can I paste CSV instead of uploading?
Yes, paste CSV directly or drop a .csv file — either works.
Is my data uploaded?
No, the conversion runs entirely in your browser.
Is it free?
Yes, completely free with no sign-up.
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