ODS to CSV Converter - OpenOffice to CSV Online

Convert OpenDocument Spreadsheet (ODS) files to CSV format instantly in your browser. Select sheets, customize delimiters. No uploads required.

Drag & drop ODS file here

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Options

Delimiter

Encoding

Include header row

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Security: Only process files from sources you trust. All processing happens locally in your browser.

Frequently Asked Questions

ODS (OpenDocument Spreadsheet) is the native format for LibreOffice Calc and OpenOffice Calc, part of the open ODF standard.

Yes! Select which sheet to convert or download all sheets as separate CSV files.

Yes. All conversion happens in your browser using SheetJS. Your files never leave your device.

CSV exports the calculated values, not formulas. Complex formatting is also simplified to plain text.

Comma is standard for most systems. Use semicolon for European Excel, tab for database imports, or pipe for data with commas.

UTF-8 (universal), UTF-8 with BOM (recommended for Excel on Windows), and ISO-8859-1 for legacy Western European systems.

Yes. Uncheck 'Include header row' to export data-only CSV without column headers for database imports.

Browser memory is the only limit. ODS files under 50MB typically convert quickly; larger files may require more processing time.

Merged cells are unmerged during conversion. The value appears in the top-left cell of the original merge region.

Yes. Full UTF-8 support ensures accents, symbols, and international characters convert correctly with proper quoting.