What This Tool Does
This tool converts Microsoft Excel files (.xlsx, .xls) to standard CSV format, making your data compatible with any system that accepts comma-separated values.
How It Works
1Upload your Excel file (.xlsx or .xls).
2Select which sheet to convert (if multiple sheets exist).
3The tool parses the spreadsheet entirely in your browser.
4Download the resulting CSV file.
Input Format
Excel files (.xlsx, .xls, .ods).
Output Format
Standard CSV file with proper encoding.
When to Use This Tool
- You need to import Excel data into a CSV-only system.
- You want a lightweight file format for sharing.
- Privacy is critical – your data never leaves your device.
Frequently Asked Questions
Yes, this tool supports both modern .xlsx files and legacy .xls files using SheetJS.
You can select which sheet to convert. By default, we convert the first sheet.