Spreadsheet Converters

Convert CSV to and from Excel, Google Sheets, LibreOffice Calc (ODS) and Apple Numbers. Every converter runs in your browser — your spreadsheet is never uploaded.

CSV to Excel
Turn any CSV into a formatted .xlsx workbook — no Excel needed.
Excel to CSV
Export any sheet of an .xlsx or .xls workbook to CSV.
CSV to Google Sheets
Fix encoding, delimiters and dates before importing a CSV into Sheets.
Google Sheets to CSV
Get a direct CSV export link for any Google Sheets tab.
CSV to ODS
Create a real LibreOffice Calc .ods spreadsheet from a CSV.
ODS to CSV
Export any sheet of a LibreOffice .ods file to CSV.
CSV to Numbers
Get an XLSX that Apple Numbers opens natively from any CSV.
Numbers to CSV
Export Apple Numbers spreadsheets to CSV on Mac, iPhone and iPad.

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All CSV Shift converters are free, need no account and process your files locally in your browser using JavaScript — nothing is uploaded to a server.