Convert Excel to CSV Online
Turn an XLS or XLSX workbook into a clean CSV file. Select the worksheet you need, preview the rows, and download the result without uploading your spreadsheet.
Excel to CSV Converter
Your workbook is processed locally in this browser. It is not uploaded to Kanaries servers.
- 01Supports both legacy .xls and modern .xlsx workbooks.
- 02Choose a worksheet before exporting it as CSV.
- 03Preview the converted table before downloading.
- 04No signup, installation, or server upload.
Excel to CSV Conversion Built for Real Workbooks
XLS and XLSX Support
Open spreadsheets created by current and older Excel versions, then export the selected sheet as standard CSV.
Worksheet Selection
Multi-sheet workbooks stay easy to handle: choose exactly which worksheet should become the CSV file.
Private Browser Processing
Parsing and conversion happen on your device, so confidential spreadsheet data does not need to leave your browser.
What Changes When Excel Becomes CSV?
Excel workbooks can contain multiple worksheets, formulas, formatting, charts, and typed cells. CSV is a simpler text table containing one sheet of rows and columns.
Use Excel to CSV when a database, application, or data pipeline needs a portable plain-text table instead of an Excel workbook.
- One Sheet per CSV
- A CSV file represents one table, so select the worksheet you want before converting a multi-sheet workbook.
- Values, Not Workbook Styling
- CSV keeps visible cell values but does not preserve colors, fonts, charts, merged cells, or multiple tabs.
- Broad Compatibility
- CSV works with databases, Python, R, analytics tools, importers, and nearly every spreadsheet application.
How to Convert XLS or XLSX to CSV
- 01
Choose an Excel File
Select an .xls or .xlsx workbook from your device.
- 02
Select a Worksheet
If the workbook has several sheets, choose the table you want to export.
- 03
Review the Preview
Check the parsed rows and columns before creating the CSV.
- 04
Download CSV
Convert and save the selected worksheet as a UTF-8 .csv file.
Excel to CSV Best Practices
Use a Clear Header Row
Keep column names in the first row so downstream importers can identify each field.
Check Formulas and Dates
CSV stores displayed values, not formulas or Excel formatting. Review date and calculated columns in the preview.
Export Sheets Separately
Convert each relevant worksheet into its own CSV when a workbook contains several related tables.
Excel to CSV FAQ
Q01How do I convert Excel to CSV online?
Choose an XLS or XLSX file, select a worksheet, review the preview, and download the converted CSV.
Q02Can I convert XLSX to CSV?
Yes. The converter supports modern .xlsx files as well as older .xls workbooks.
Q03What happens to multiple worksheets?
CSV can contain only one table. Choose one worksheet at a time and export additional sheets as separate CSV files.
Q04Are formulas and formatting preserved?
CSV preserves cell values. It cannot preserve formulas, colors, fonts, charts, merged cells, or workbook formatting.
Q05Is my Excel file uploaded?
No. The workbook is read and converted locally in your browser.
Q06Is this Excel to CSV converter free?
Yes. You can use it without registration or installing software.