Instant Conversion
Convert Excel files to CSV format in seconds. Supports both XLSX and XLS formats. All data, formulas results, and formatting are preserved in the CSV output.
Excel to CSV Converter - Convert XLSX to CSV Online Free
Convert Excel to CSV online free. Transform XLSX and XLS spreadsheets to CSV format instantly. Best free Excel to CSV converter - works in browser without software.
Excel to CSV Converter Features
100% Private & Secure
Your Excel files are processed entirely in your browser. No uploads to servers, no data collection. Perfect for converting sensitive business data and financial spreadsheets.
Multiple Sheet Support
Convert multi-sheet Excel workbooks. Select which sheet to export or convert all sheets to separate CSV files. Download individually or as a ZIP archive.
How to Convert Excel to CSV
Use our free Excel to CSV converter to transform spreadsheets in three simple steps.
1
Upload Your Excel File
Click the upload area or drag and drop your XLSX or XLS file. Supports Excel files up to 50MB with multiple sheets.
2
Select Sheet to Convert
If your workbook has multiple sheets, select which sheet to convert to CSV. Preview the data before conversion.
3
Download CSV File
Click "Convert to CSV" and download your CSV file instantly. The file is ready to import into databases, other applications, or open in any text editor.
Why Convert Excel to CSV?
Discover common reasons to convert Excel spreadsheets to CSV format.
Database Import
CSV is the universal format for importing data into databases like MySQL, PostgreSQL, MongoDB, and data warehouses. Convert Excel to CSV for seamless database imports.
Web Applications
Many web apps and APIs accept CSV format for bulk data uploads. Convert your Excel files for compatibility with CRM systems, email marketing tools, and analytics platforms.
Cross-Platform Sharing
CSV files open in any spreadsheet application across all platforms. Share data with users who don't have Microsoft Excel installed.
Data Processing
CSV is ideal for data processing with Python, R, or other programming languages. Convert Excel to CSV for easier parsing and analysis in scripts.
Excel to CSV Converter FAQ
Upload your XLSX or XLS file, select the sheet you want to convert (if multiple), and click "Convert to CSV". Download your CSV file instantly. No registration or software installation required.
CSV is a plain text format that stores data values only. Cell formatting (colors, fonts, borders) and formulas are not preserved, but formula results are included. Use Excel to PDF if you need to preserve formatting.
Yes! If your Excel workbook has multiple sheets, you can select which sheet to convert. Each sheet can be converted to a separate CSV file.
Absolutely! All conversion happens in your browser using JavaScript. Your files are never uploaded to any server. This makes it safe for converting confidential business data and financial spreadsheets.
We support XLSX (Excel 2007 and later) and XLS (Excel 97-2003) formats. Both formats are converted to standard CSV with UTF-8 encoding.
The converter uses UTF-8 encoding to preserve special characters, international text, and symbols. Fields containing commas or quotes are properly escaped following CSV standards.
The standard comma delimiter is used. Fields containing commas are enclosed in quotes to ensure compatibility with all CSV parsers and applications.
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