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Spreadsheet Conversion

Convert XLSX to OTS Online — Free

Fast, free XLSX to OTS converter. No registration required.

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Come convertire

1

Upload your .xlsx file by dragging it into the upload area or clicking to browse.

2

Choose your output settings. The default settings work great for most files.

3

Click Convert and download your .ots file when it's ready.

Cos'è XLSX?

XLSX is the modern Microsoft Excel format. It's the standard for spreadsheets containing data, formulas, charts, and pivot tables.

Dettagli formato

Nome completo
Microsoft Excel Spreadsheet
Estensione
.xlsx

Caratteristiche principali

  • Spreadsheet
  • Formulas
  • Charts
  • Data analysis

Cos'è OTS?

OTS is the OpenDocument Format spreadsheet template used by LibreOffice Calc, Apache OpenOffice, and other ODF-compatible applications. It stores cell formatting, formulas, and styles as reusable templates.

Dettagli formato

Nome completo
OpenDocument Spreadsheet Template
Estensione
.ots

Caratteristiche principali

  • OpenDocument
  • Spreadsheet template
  • LibreOffice Calc
  • ISO standard

XLSX vs OTS

CaratteristicaXLSXOTS
Nome completoMicrosoft Excel SpreadsheetOpenDocument Spreadsheet Template
Estensione.xlsx.ots
Ideale perSpreadsheetOpenDocument

Domande frequenti

Yes. You can convert up to 5 files per day completely free, with no watermark or registration required. Pro users get unlimited conversions and larger file sizes.
Most files convert in under 30 seconds. Larger files may take 1-3 minutes. Processing runs on our servers, so your device stays fast.
Our converter uses optimized settings to preserve quality. Default settings prioritize quality over file size. You can adjust settings for more control.
Free users can convert files up to 100MB. Pro users can convert files up to 2GB with priority processing.
Yes. Our converter is browser-based and works on any device — iPhone, Android, tablet, or desktop. No app or software installation needed.

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XLSX to CSVXLSX to XLSXLSX to ODSXLSX to SXCXLSX to XLSMXLSX to ExcelXLSX to XLTXLSX to XLTM