XLSX Converter

Free online XLSX converter - Transform Excel spreadsheets to various formats easily

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Free user files are automatically deleted after 24 hours

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We never access your files except for automated conversion processing

Convert your XLSX (Excel Open XML Spreadsheet) files to various formats with our user-friendly online converter. XLSX is Microsoft Excel's modern spreadsheet format that stores data in cells organized by rows and columns, allowing for complex calculations, data analysis, and visualization through charts and graphs.

Our XLSX converter enables you to transform your spreadsheets into multiple formats while preserving formatting, formulas, and data integrity. Whether you need CSV for simpler data interchange, PDF for sharing non-editable reports, or other formats for specific needs, our tool streamlines the entire process without requiring Excel installation.

About XLSX Format

XLSX (Excel Open XML Spreadsheet) is Microsoft's modern spreadsheet file format introduced in Excel 2007. Key features include:

  • XML-based format with better compression than older XLS files
  • Supports 1,048,576 rows and 16,384 columns per worksheet
  • Compatible with formulas, charts, macros, and PivotTables
  • Enhanced security features and data recovery options
  • Cross-platform compatibility with various spreadsheet applications

How to convert XLSX

  1. Upload your XLSX file using the file selector or drag & drop area

  2. Choose your desired output format (CSV, PDF, XLS, etc.)

  3. Adjust any conversion settings if needed

  4. Click 'Convert' and download your converted file

Benefits of converting XLSX

Free online XLSX converter with high formatting fidelity

Convert to multiple formats including CSV, PDF, XLS, HTML and more

Preserves formulas, charts, and complex spreadsheet elements

No Microsoft Excel required - convert spreadsheets from any device

Secure processing with automatic file deletion after conversion

Frequently Asked Questions

What is a XLSX converter?

A XLSX converter is an online tool that transforms XLSX files to other formats . Our XLSX converter maintains file quality while ensuring fast and secure conversion.

How do I convert XLSX ?

Converting XLSX is simple: Upload your XLSX file, and click convert. Your file will be ready for download in seconds.

Is the XLSX converter free?

Yes, our XLSX converter is completely free to use. You can convert XLSX files without any cost or registration. Premium features are available for users who need batch processing or larger files.

What's the maximum file size for XLSX conversion?

Free users can convert XLSX files up to 100MB. Premium users enjoy increased file size limits and additional features like batch conversion.