XLSX is a file format. Use PDF.to to convert XLSX files to and from various other formats.

Is XLSX conversion free?

Yes, our XLSX converter is completely free for basic use.

XLSX converter

convert XLSX to and from various formats

About XLSX

XLSX (Office Open XML spreadsheet) is the modern file format for Microsoft Excel spreadsheets. XLSX files store tabular data, formulas, and formatting. They offer improved data integration, enhanced security, and support for larger datasets compared to XLS.

Common Uses

Modern spreadsheet creation
Cross-platform data sharing
Business analytics and reporting

XLSX conversion FAQ

What is a XLSX file?

XLSX is an XML-based spreadsheet format used by Microsoft Excel 2007 and later.

How do I convert XLSX files?

Simply upload your file using our drag-and-drop interface or click to browse. Select your desired output format, then click Convert. Your converted file will be ready for download within seconds.

Is the conversion free?

Yes, our converter is completely free for basic use. No registration required.

Will my file quality be preserved during conversion?

We maintain the highest quality possible during conversion. Results depend on the source file and target format compatibility.

Can I convert to PDF?

Yes, PDF conversion is one of our most popular features. PDF format preserves your content layout exactly as intended, making it ideal for sharing and archiving.

What is the maximum file size?

Free users can convert files up to 100MB. Premium subscribers get unlimited file sizes and priority processing.

Do I need to install any software?

No software installation needed. Our converter works entirely online with no downloads required.

Are my files kept private and secure?

Absolutely. Your files are processed securely and automatically deleted from our servers after conversion. We don't read, store, or share your file contents. All transfers use encrypted HTTPS connections.