Convert CSV to ODS online in seconds — free, with no sign-up. ODS is lossless and ideal for open-source spreadsheets. Your files are encrypted and deleted automatically after 24 hours.
CSV
Comma-Separated Values — Plain-text tabular data that opens in any spreadsheet or database.
ODS
OpenDocument Spreadsheet — The open-standard spreadsheet format used by LibreOffice.
How to convert CSV to ODS
- 1Upload your CSV file
Click “Choose a file” or drag and drop your CSV file onto the page — no sign-up or email needed.
- 2Convert to ODS
ODS is already selected as the output. Open Options to fine-tune quality if you like, then click Convert.
- 3Download your ODS file
Your ODS file is ready in seconds — click Download to save it. Files are automatically deleted after 24 hours.
CSV vs ODS
| CSV | ODS | |
|---|---|---|
| Full name | Comma-Separated Values | OpenDocument Spreadsheet |
| Type | Spreadsheet | Spreadsheet |
| Compression | Lossless | Lossless |
| Best for | exporting and importing raw data between tools | open-source spreadsheets |
Frequently asked questions
Does converting CSV to ODS lose quality?
Converting CSV to ODS preserves your text, images and most formatting. Very complex elements — macros, live formulas or unusual fonts — may not carry over perfectly, but the content stays intact.
What's the difference between CSV and ODS?
Comma-Separated Values (CSV) is lossless and best for exporting and importing raw data between tools. OpenDocument Spreadsheet (ODS) is lossless and best for open-source spreadsheets. Convert CSV to ODS when you need a spreadsheet for open-source spreadsheets.
Is the CSV to ODS converter free?
Yes — converting CSV to ODS is completely free. There's no watermark, no sign-up and no email required, and you can convert as many files as you like.
Are my CSV files private and secure?
Yes. Your uploads are encrypted in transit, processed privately, and automatically deleted within 24 hours. We never share, sell or look at your files.
Can I convert CSV to ODS on iPhone, Android, Mac or Windows?
Yes. The converter runs entirely in your browser, so it works on any device — iPhone, iPad, Android, Mac, Windows or Linux — with nothing to download or install.
How long does it take to convert CSV to ODS?
Most files convert in a few seconds. Larger files take a little longer, and your upload speed is usually the limiting factor. There's no queue and no waiting for an email.
What else can I convert CSV files to?
Besides ODS, you can convert CSV to JSON, PDF, TSV, XLSX, YAML and more — see the full list of CSV conversions below.
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Last updated July 2026