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
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 & 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
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.

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.

