FileToastExcel to CSV
Export a selected XLSX worksheet as CSV with proper quoting and UTF-8 encoding.
How to use Excel to CSV
- Choose a file (XLSX) from your device.
- Set worksheet number.
- Run the tool, inspect the result, and download your output.
What this tool does
Export a selected XLSX worksheet as CSV with proper quoting and UTF-8 encoding. Supports XLSX, not legacy XLS. Exports values or cached formula results; it does not calculate formulas or preserve formatting.
Questions about Excel to CSV
Are my files uploaded?
This tool processes files in your browser. File contents are not uploaded to FileToast. Downloads stay wherever you save them.
Can I export every worksheet at once?
Select the worksheet you want to export. Each run produces a CSV for that worksheet.
Will CSV keep spreadsheet formatting?
No. CSV contains rows and values, with quoting and UTF-8 encoding. It does not preserve cell styles or workbook features.
What are the file and processing limits?
Up to 50 MB per file. Large or complex files can exceed your device’s or the converter’s capacity. Supports XLSX, not legacy XLS. Exports values or cached formula results; it does not calculate formulas or preserve formatting.