XLSX to CSV Converter
Upload an Excel or OpenDocument spreadsheet and download CSV output for spreadsheets, databases, scripts, and reporting workflows.
Klaar
Single sheet
A workbook with one worksheet downloads as a plain CSV file.
Multiple sheets
Each worksheet becomes its own CSV file inside one ZIP download.
Comma output
CSV files use comma delimiters, quoted fields, UTF-8, and line breaks compatible with common spreadsheet tools.
Excel exports
Turn workbook data into CSV files for import into databases, data tools, and automation scripts.
ODS compatible
OpenDocument spreadsheets from LibreOffice and other office suites use the same conversion path.
No output limits
The tool preserves workbook data in CSV form and keeps the normal 1 GB upload limit.
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