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Skip to contentBrowser spreadsheet editor with formulas, sheets and local autosave. Tentaco Online Spreadsheet: review input and get an instant result — free, no sign-up.
Full tool — runs in your browser. No sign-up required.
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Browser spreadsheet editor with formulas, sheets and local autosave. Runs entirely in your browser — nothing is uploaded.
Paste or enter your input into Tentaco Online Spreadsheet. Standard processing runs locally in your browser — contents are not sent to Tentaco servers for that path.
No account required — copy or download the result when you are done. People often search for: online spreadsheet, spreadsheet editor, excel alternative.
Open Online Spreadsheet — no registration required.
Paste or type your input.
Adjust options and review the preview or output.
Copy or save the result and re-run if needed.
Transfer to Tentaco: No for the standard mode. Processing: local in the browser. Permanent storage: only if you copy or save the result yourself.
LocalThis tool processes data locally in your browser. Tentaco does not receive your file contents for this mode.
No. Online Spreadsheet processes the standard mode locally in your browser; Tentaco does not receive your input for that path.
Yes. Copy the output from Online Spreadsheet or download it when the tool offers a file.
Online Spreadsheet follows the formats named in the UI and description. Unlisted variants are not guaranteed.
After the first load, Online Spreadsheet often keeps working offline. Online dependencies are labeled.
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