Nobie

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.

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.