Skip to contentCompare Tentaco vs Excel Online: local CSV/JSON converters and calculators vs cloud spreadsheet.
Excel Online brings Microsoft spreadsheets to the browser with OneDrive sync, co-authoring and formula libraries — files live in Microsoft cloud.
Tentaco CSV↔JSON, unit converters, percentage and finance calculators run locally — faster for one-off transforms without opening a workbook or Microsoft account.
| Feature | Tentaco | Excel Online |
|---|---|---|
| Full spreadsheet | Not offered | Core product |
| CSV/JSON convert | Local paste/upload | Import wizard |
| Co-authoring | No | Real-time collab |
| Account | Not required | Microsoft account |
| Price | Free utilities | Free tier + M365 |
Use Excel Online for collaborative sheets. Use Tentaco for quick data format conversion and standalone calculators.
Open CSV to JSONConvert via CSV export from Excel first; Tentaco focuses on JSON/CSV utilities.
Standalone calculators only — not a spreadsheet engine.
