The best way to xlsx on Mac

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

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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.

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 & PivotsEDITING COMING SOON
AI-first: use Claude, Codex, etc.
VBA & MacrosCOMING SOON
MultiplayerCOMING 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-onlyYour spreadsheets never leave your Mac. No servers, no uploads, no exceptions.
No middlemanClaude, Codex, Gemini — your AI connects directly to your spreadsheet. Nothing in between.
You own your dataNo vendor lock-in. Your files are always standard .xlsx.

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.

The best way to xlsx on Mac

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

Forged by and for the Excel community

Shaped by muscle memory; built for the future.

All your keybindings

It's fast

Pixel-perfect fidelity

Your AI, your choice

Local-only

Pure xlsx

The easiest way to open xlsx on Mac.

No account.

Free forever

Local-only

You shouldn't need to compromise

All your features, shortcuts and speed.

All Excel formulas

All Excel styling

Unmatched performance

Tables

Charts & Pivots

AI-first: use Claude, Codex, etc.

VBA & Macros

Multiplayer

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

No middleman

You own your data

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

xlsx in and out

No surprises

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.

Own Your Craft.