Cell Convert

Convert your spreadsheets to any format free online

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Secure Converting

Files are processed locally in your browser

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Lightning Fast

Instant conversion with no waiting

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Works Everywhere

Use on any device, no installation needed

Drop your files here

or click to select files

Supported input formats: XLS, XLSX, XLSM, XLSB, ODS, CSV, TSV, HTML, HTM

About Excel Converter

Excel Converter is your free online tool to convert spreadsheet files between formats instantly. Whether you need to convert Excel to CSV online free, transform XLSX to XLS, or batch convert multiple files, our converter handles it all in your browser. Files are processed locally for security, and there’s no need for installations.

Key Features

  • Convert between all major spreadsheet formats
  • Batch file processing capabilities
  • Preserve formatting and formulas
  • Compatible with XLSX, CSV, ODS, and more

How to Use

Simply drag and drop your files into the conversion zone, select your desired output format, and click “Convert Files.” Your converted spreadsheets will be ready to download instantly.

How to Convert Excel Files Online Free in 5 Steps

Converting Excel files has never been easier with our free online converter. Follow these simple steps:

  • Upload your Excel files by dragging them into the converter
  • Select your target format (CSV, XLSX, XLS, etc.)
  • Choose any additional conversion settings
  • Click “Convert Files” to process
  • Download your converted spreadsheets instantly

Popular Excel Conversions

Convert Excel to CSV Online Free

Transform Excel spreadsheets into CSV format for easy data analysis and system imports. Perfect for database uploads and data processing.

XLSX to XLS Conversion

Convert modern Excel files to legacy format for compatibility with older systems while preserving formatting.

Batch Excel Conversion

Convert multiple Excel files simultaneously, saving time and maintaining consistency across all conversions.

Why Choose Our Excel Converter?

Free and Unlimited

Convert as many Excel files as you need without any cost. No subscription required, no hidden fees.

Secure Processing

All file processing happens in your browser. Your data never leaves your computer, ensuring complete privacy.

Format Compatibility

Support for all major spreadsheet formats including XLSX, XLS, CSV, ODS, and more.

Professional Excel Conversion Uses

For Data Analysis

Convert Excel to CSV for importing into analysis tools and databases. Perfect for data scientists and analysts.

For Business Users

Convert between Excel versions for sharing with clients and colleagues using different software versions.

For Developers

Convert Excel files to various formats for system integration and data migration projects.

Technical Specifications

Supported Formats

  • Microsoft Excel: XLSX, XLS, XLSM
  • OpenDocument: ODS
  • Text Formats: CSV, TSV
  • Web Formats: HTML, HTM
  • Apple Numbers

Processing Capabilities

  • No file size limitations
  • Batch processing support
  • Formula preservation
  • Formatting retention

Common Excel Conversion Questions

How do I convert Excel to CSV online free?

Simply upload your Excel file to our converter, select CSV as the output format, and click convert. Download your CSV file instantly.

Can I convert multiple Excel files at once?

Yes, our batch conversion feature lets you convert multiple Excel files simultaneously. Upload all your files and convert them in one go.

Are my files secure during conversion?

Absolutely. All processing happens locally in your browser. Your files never leave your computer, ensuring complete privacy and security.