Spreadsheet Converter

Move data between Excel, LibreOffice and plain CSV without uploading anything. Conversion runs in your browser via WebAssembly.

Drag & drop files here

or

Choose files

CSVXLSXXLSODS

Processed on your device. Nothing is uploaded

All spreadsheet converter conversions

CSV to XLSX CSV to XLS XLSX to CSV XLSX to XLS XLS to CSV XLS to XLSX ODS to CSV ODS to XLSX ODS to XLS