Spreadsheet
CSV to Excel Converter
Paste CSV data and download a ready-to-open .xlsx Excel file. Private and instant.
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Frequently Asked Questions
Quick answers to common questions
What output format do I get?+
A standard .xlsx Excel workbook with one sheet named Sheet1.
Does the first row become headers?+
Yes. The first CSV row becomes the first row in Excel.
Is data sent to a server?+
No. Conversion happens locally in your browser.
Are quoted CSV fields handled?+
Yes. Standard CSV quoting is parsed correctly.
Can I open the file in Google Sheets?+
Yes. .xlsx files can be uploaded to Google Sheets or opened in Excel.
Is there a row limit?+
Very large CSVs may be slow depending on browser memory.
Can I customize the sheet name?+
The default sheet is Sheet1. Rename it after opening in Excel.
Is it free?+
Yes.