MasterKey — Google Sheets shortcuts, shown as you click

Still using the mouse in Google Sheets? See the keyboard shortcut the moment you click — no setup, no cheat sheet needed.

Still reaching for the mouse in Google Sheets? MasterKey shows you the keyboard shortcut the moment you trigger an action — no studying, no cheat sheet, no extra effort. Just work as you normally do, and the shortcuts come to you. Inspired by IntelliJ's Key Promoter X — built specifically for Sheets. 🎯 Who it's for Daily Sheets users who haven't found time to memorize shortcuts People who forget shortcuts mid-task even after trying to learn them Anyone who wants to work faster without studying a cheat sheet ⚡ Features Real-time shortcut hints Every time you use the mouse to trigger a Sheets action, a toast notification shows the keyboard shortcut — in context, at the moment you need it. Mastery progress tracker The side panel shows the status of all 113 tracked shortcuts at a glance: mastered, learning, or not yet tried. Personalized recommendations MasterKey detects which actions you keep doing with the mouse and suggests the highest-priority shortcuts to learn next. Usage summary See your total actions, keyboard usage rate, and estimated time saved — so you can track real improvement over time. 🔒 Privacy first No external transmission by default — your usage data stays on your device in Chrome local storage Anonymous usage statistics (numeric counts only) are sent only if you opt in (off by default) No cell contents, typed text, or personal information is ever collected Pro plan payments are handled securely by Stripe / ExtensionPay — the extension never sees your card details How to use 1. Install the extension 2. Open any Google Sheets spreadsheet 3. Use Sheets as you normally would — a popup appears whenever a shortcut exists for what you clicked 4. Click the M icon in the Chrome toolbar to open the side panel and track your progress