Free Online Excel to CSV
Paste a range copied from Excel or Google Sheets and get clean RFC 4180 CSV, reading the clipboard's tab-separated or HTML-table data with no upload.
Your data is processed entirely in your browser and never sent to any server.
.xlsxdirectly would need a parsing library this site does not bundle.How to Use This Tool
- In Excel or Google Sheets, select the range of cells you want to export.
- Copy the selection with Ctrl+C (or Cmd+C).
- Paste it into the input box on this page.
- The CSV output appears with proper quoting; check the row count.
- Copy the result or download it as a .csv file.
What Is an Excel to CSV?
When you select cells in Excel or Google Sheets and copy, the clipboard receives two representations: tab-separated plain text and an HTML table. This tool reads whichever it finds. It prefers the HTML table (which preserves cell boundaries unambiguously) and falls back to splitting the tab-separated text. Either way it rebuilds the grid in memory.
The output follows RFC 4180: any field containing a comma, a double quote, or a line break is wrapped in double quotes, and internal quotes are doubled. That quoting is the part people most often get wrong by hand, and getting it wrong means columns shift when the file is re-imported. Because pasted cells carry their computed values rather than formula text, the CSV reflects exactly what you saw on screen.
Reading binary .xlsx files directly in the browser would require a parsing library this site deliberately does not bundle. The copy-paste route avoids that entirely and keeps everything on your device — useful when the sheet holds data you would rather not upload to an online converter.
Frequently Asked Questions
Do I upload the .xlsx file?
What about commas inside cells?
Can it read formulas?
Published by the WeGotEveryTool team. We build and test every tool in-house and update pages when the underlying spec, formula, or recommendation changes.
Reviewed: May 2026. Disclaimer: this tool is provided as-is for general informational use. For decisions with material consequences (medical, legal, financial, security) verify results against a qualified professional source.
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