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Convert Excel to CSV

Transform your spreadsheets to universal CSV format

XLS CSV

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Supports: .xls, .xlsx • Max 50MB per file

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Why Convert Excel to CSV?

CSV is the universal data format accepted by virtually every application, database, and programming language. Converting Excel to CSV makes your data portable, lightweight, and ready for import anywhere.

Universal Data Exchange

CSV works with every data application—Excel, Google Sheets, databases, Python, R, and more. The ultimate format for sharing data between systems.

Database Import Ready

Import CSV directly into MySQL, PostgreSQL, MongoDB, and any database. The standard format for data migration and bulk imports.

Developer Friendly

CSV is plain text that's easy to parse in any programming language. Perfect for data processing, analysis, automation, and scripting.

Smaller File Sizes

CSV files are much smaller than Excel files with the same data. No formatting overhead means faster transfers and efficient storage.

No Software Required

CSV opens in any text editor—no Excel license needed. Recipients can view your data without proprietary software or special applications.

Instant Conversion

Browser-based processing converts your Excel files to CSV in seconds. No waiting, no uploads to servers, completely private.

Universal

The universal data format for any application.

CSV (Comma-Separated Values) is the lingua franca of data. Every spreadsheet application, database system, programming language, and data analysis tool can read and write CSV files. By converting your Excel data to CSV, you ensure maximum compatibility and portability.

Unlike Excel's proprietary format with complex formatting and features, CSV stores pure data in a simple, readable text format. This makes it perfect for data interchange, automation pipelines, and long-term data archiving.

Import data into any database or system.

Need to migrate data to a new system? CSV is the standard import format for databases like MySQL, PostgreSQL, SQLite, MongoDB, and cloud platforms like AWS, Google Cloud, and Azure. Your Excel data becomes instantly importable anywhere.

Data analysts use CSV with Python pandas, R, Tableau, Power BI, and countless other tools. By converting to CSV, you unlock your data for advanced analysis, visualization, and machine learning workflows.

Your spreadsheet data stays private.

Business spreadsheets often contain sensitive financial data, customer information, or proprietary numbers. Our converter processes everything locally in your browser using the SheetJS library. Your Excel files never upload to any server—complete privacy guaranteed.

This client-side approach also means instant conversion without upload delays. Convert confidential reports, financial statements, or customer data with confidence. Your files remain on your device throughout the entire process.

Frequently asked questions.

Our converter exports the first sheet of your Excel workbook to CSV. CSV format only supports single sheets. If you need multiple sheets converted, upload each sheet separately or save them as separate Excel files first.
CSV exports the calculated values of formulas, not the formulas themselves. What you see in your spreadsheet is what you get in the CSV. This is standard behavior for all CSV exports.
CSV is a plain text format that contains only data values. Cell formatting, colors, fonts, borders, and other styling are not preserved. Only the raw data values are exported.
Yes! Our converter supports both legacy .xls format (Excel 97-2003) and modern .xlsx format (Excel 2007+). Both convert seamlessly to standard CSV output.
We use comma (,) as the standard delimiter, which is the most universally compatible format. The output follows RFC 4180 CSV standard with proper quoting for fields containing commas or quotes.
No. All processing happens locally in your browser using the SheetJS library. Your Excel files never leave your device, ensuring complete privacy for sensitive business data.