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Upload an Excel file to preview its content
CSV output will appear here after conversion
Drag and drop your Excel file (.xlsx or .xls) onto the upload area, or click "Browse Files" to select it from your computer.
If your Excel file contains multiple worksheets, use the dropdown menu to select which one you want to convert.
Review the converted data in the preview table. You can see exactly how your CSV will look before downloading.
Either download the CSV file directly to your computer or copy the content to your clipboard for use elsewhere.
This converter transforms Microsoft Excel (.xlsx, .xls) files into CSV (Comma-Separated Values) format, which is essential for data interchange between different systems. CSV files are plain text, making them compatible with virtually any database, programming language, or software that handles tabular data.
The tool reads your Excel file's binary structure, extracts cell values, formatting, and sheet organization, then transforms it into plain text with proper delimiter handling. Key conversion aspects:
| Software | CSV Support | Recommended Delimiter |
|---|---|---|
| Microsoft Excel (US/UK) | Full | Comma (,) |
| Microsoft Excel (European) | Full | Semicolon (;) |
| Google Sheets | Full | Comma (,) |
| LibreOffice Calc | Full | Comma or Semicolon |
| MySQL, PostgreSQL | Full | Comma (,) |
| Python pandas | Full | Comma (,) |
To ensure clean CSV output:
Export from Excel → Convert to CSV → Import to SQL:
LOAD DATA INFILE 'data.csv' INTO TABLE mytable FIELDS TERMINATED BY ',';
Excel to pandas DataFrame:
import pandas as pd
df = pd.read_csv('converted_data.csv')
Q: Will my formulas be preserved in the CSV?
A: No, CSV files store values only. Formulas are calculated and their results are saved as static values. Keep your original Excel file for formula preservation.
Q: Which delimiter should I use for my region?
A: Use comma (,) for US/UK/International systems. Use semicolon (;) for European locales where comma is the decimal separator. Tab is useful for data with many commas in text fields.
Q: Can I convert multiple sheets at once?
A: This tool converts one worksheet at a time. For multi-sheet workbooks, convert each sheet separately and save as individual CSV files.
Q: Is there a file size limit?
A: The tool processes files entirely in your browser, so limits depend on your device's memory. For files over 50MB, consider using desktop software like Excel's built-in "Save As CSV" feature.
All file processing occurs in your web browser using JavaScript. Your Excel files never leave your computer or touch our servers. This ensures complete data privacy and security for sensitive business, financial, or personal information.