Simply upload your file using the converter above, select ODS as the output format, and click convert. The conversion happens instantly in your browser — no uploads needed.
What file formats can be converted to ODS?
You can convert 7+ formats to ODS, including XLS, XLSX, CSV, TSV, NUMBERS and more. Browse the full list of supported source formats above.
Is converting to ODS free?
Yes, Convert999 is 100% free with no limits. Convert as many files to ODS as you need — no registration, no watermarks, no hidden fees.
Is my data safe when converting to ODS?
Absolutely. All conversions happen locally in your browser. Your files are never uploaded to any server, ensuring complete privacy and security.