Online Spreadsheet

An Excel-like spreadsheet with formulas, charts and pivot tables.

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Open-source project "Luckysheet" by Mengshukeji (dream-num), used under the MIT license. Source code

Runs in your browser. Nothing you enter is sent or stored.

How to use Online Spreadsheet

  1. Click a cell and type; start with = for a formula, e.g. =SUM(A1:A10).
  2. Use the toolbar for formatting, filters, charts and more.
  3. Copy and paste to or from Excel. Your workbook is saved in this browser.

Frequently asked questions

Can I open .xlsx files?

Not directly. Copy cells from Excel and paste them here, and copy them back the same way.

Who made it?

Luckysheet by Mengshukeji (dream-num), open source under the MIT License.

Is Online Spreadsheet free?

Yes. Online Spreadsheet is free to use with no sign-up and no watermark.

Is my information saved or sent anywhere?

No. Everything is calculated in your browser. Nothing you enter is sent to a server or stored.

Does it work on my phone?

Yes. It works in any modern browser on Windows, Mac, Linux, Android and iPhone. Very large files may be slow on older phones.

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