XLSX Converter

Drag, click, or paste files from your clipboard. Up to 10 files, 100 MB each.
to
Current route: .xlsx to .csv.xlsx, .xlsb inputs, .csv output
Open guide

Format hub

XLSX tools for uploads, compatibility fixes, and everyday file work.

XLSX Converter online for free. Convert from XLSX or convert files to XLSX with 8 useful routes for uploads, compatibility, and everyday file work.

Convert from XLSX

XLSX to CSV ConverterConvert XLSX files to CSV online.XLSX to JPG ConverterConvert XLSX files to JPG online.XLSX to PDF ConverterConvert XLSX files to PDF online.

Convert to XLSX

CSV to XLSX ConverterConvert CSV files to XLSX online.DBF to XLSX ConverterConvert DBF files to XLSX online.ODS to XLSX ConverterConvert ODS files to XLSX online.PDF to XLSX ConverterConvert PDF files to XLSX online.XLS to XLSX ConverterConvert XLS files to XLSX online.

XLSX compatibility checklist

Use it when

modern spreadsheets, tables, and workbook sharing.

Check after conversion

Open the output and confirm layout, image quality, audio/video playback, or text readability before replacing the original.

Keep in mind

XLSX is the modern Excel workbook format.

Related formats

CSV ConverterDBF ConverterJPG ConverterODS ConverterPDF ConverterXLS Converter

Frequently asked questions

XLSX Converter: what can I convert?

XLSX Converter online for free. Convert from XLSX or convert files to XLSX with 8 useful routes for uploads, compatibility, and everyday file work.

Should I keep the original XLSX file?

Yes. Keep the original file until the converted output opens correctly in the app, website, or device where you plan to use it.

Is this XLSX converter free?

Yes. You can start from this page, choose a supported route, and convert files online without creating an account.