XLSX to Excel Converter — Free Online Tool
Convert, re-save, or repair Excel XLSX spreadsheet files online for free. Upload your .xlsx file and download a clean, properly formatted Excel workbook in seconds.
Convert in Three Steps
The whole process takes under a minute, even for large files.
Upload your file
Drag and drop or click to browse. SQL, SQLite, CSV and JSON files up to 50 MB are accepted.
Pick your target
Select the output format. The source format is detected automatically from your file.
Download the result
Your converted file is ready in seconds. Import it directly into your database.
Every Syntax Difference Handled Automatically
Sometimes Excel files become corrupted, have compatibility issues, or need to be re-saved in a clean format. Our converter reads your XLSX file and outputs a fresh, clean Excel workbook with all data preserved.
This is also useful for stripping macros, removing external references, or converting older Excel formats to the modern XLSX standard. The output is compatible with Excel 2007 and later, Google Sheets, and LibreOffice Calc.
Related Conversions
Other conversions you might need alongside XLSX to Excel.
Common Questions
To repair corrupted files, strip macros, remove external references, or ensure compatibility with specific Excel versions.
Formula results are exported as values. This removes formula dependencies and makes the file self-contained.
XLSX format (Excel 2007+), compatible with all modern versions of Excel, Google Sheets, and LibreOffice.
Yes. Files are processed on our server and deleted automatically within 2 hours. We never read or store your data.
Related Conversions
Ready to Convert Your XLSX to Excel File?
Upload your file above and get a converted result in under a minute. No account, no cost, no catch.