The best way to xlsx on Mac

It's time to fall back in love with your craft.

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Nobie on Mac

Forged by and for the Excel community

Shaped by muscle memory; built for the future.

All your keybindings

Every Windows Excel shortcut, preserved.

It's fast

Performance is our main focus. Nobie gets faster week after week.

Pixel-perfect fidelity

Every formula, every cell, calculated correctly. Fully Excel-compatible.

Your AI, your choice

Claude, Codex, Gemini — use the AI you already trust.

Local-only

Your data never leaves your Mac.

Pure xlsx

No proprietary format. Open your files in Excel anytime.

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The easiest way to open xlsx on Mac.

No account.

Download and start working. That's it.

Free forever

For everything you can do in Excel or Google Sheets.

Local-only

Your data never leaves your Mac.

You shouldn't need to compromise

All your features, shortcuts and speed.

All Excel formulas

All Excel styling

Unmatched performance

Tables

Charts & Pivots

EDITING COMING SOON

AI-first: use Claude, Codex, etc.

VBA & Macros

COMING SOON

Multiplayer

COMING SOON

Your data never leaves your Mac.

Nobie is local-only. We don't collect, process, or transmit your data. Everything stays on your machine.

Local-only

Your spreadsheets never leave your Mac. No servers, no uploads, no exceptions.

No middleman

Claude, Codex, Gemini — your AI connects directly to your spreadsheet. Nothing in between.

You own your data

No vendor lock-in. Your files are always standard .xlsx.

Simulation

Don't worry, we speak xlsx

Every formula, every pixel, calculated the same as Excel. Your files are always standard .xlsx — open them in Excel anytime, no surprises.

Pixel-perfect

Every cell, calculated the same as Excel.

xlsx in and out

No proprietary format.

No surprises

Open in Excel anytime.

Nobie doesn't break your workbooks

Full round-trip fidelity. Work in Nobie, open in Excel. Work in Excel, open in Nobie. Your numbers always tie.

Use Claude, Codex or Gemini

Bring your most powerful AI and stay in the flow state, without leaving the context of your computer-use agent.

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Own Your Craft

Own Your Craft.