MetaCalc Extension for Chrome

About

MetaCalc Extension is a beautifully designed, no‑nonsense calculator that lives right in your browser toolbar. It stands out with its modern dark interface, fluid animations, and complete privacy – no internet access, no data collection, no extra permissions required.

✨ Key Features:

Fully Generated Interface – The entire calculator HTML is built dynamically with JavaScript for a clean, maintainable codebase.

Dark Theme – Easy on the eyes, perfect for late‑night work or low‑light environments.

Zero Permissions – MetaCalc requests no special permissions. It does not track you, does not send data anywhere, and works entirely offline.

Keyboard Friendly – Use your physical keyboard: numbers (0‑9), operators (+, -, *, /, %), Enter for equals, Backspace for delete, Escape to clear.

Essential Functions – Supports addition, subtraction, multiplication, division, percentage, sign toggle (±), decimal point, and backspace.

Safe & Secure – No external scripts, no eval, no remote code. Content Security Policy strictly limits execution to local files only.

🧮 How to Use:
Click the extension icon in your Chrome toolbar. A compact calculator appears. Click buttons or type directly on your keyboard. Results are displayed instantly. To close, click outside or press the extension icon again.

🔒 Privacy First:
MetaCalc does not collect any personal information, does not use analytics, does not require active tabs permission, and never runs scripts on web pages you visit. It operates inside its own popup window only.

Perfect for students, developers, or anyone needing a fast, secure, and stylish calculator without clutter or security risks.

Note: Icons (calculator on dark background) are included in the package. For best experience, Chrome version 109 or later.