Hex Calculator

A simple hexadecimal calculator for addition, subtraction, multiplication, and division (with remainder).

Hex Calculator is a lightweight and fast browser tool designed for developers, programmers, and engineers who work with hexadecimal numbers. Easily perform addition, subtraction, multiplication, and division of hex values right inside your Chrome browser — no external tools required. Whether you’re debugging code, analyzing color values, or calculating memory addresses, Hex Calculator makes working with hex numbers simple, accurate, and convenient. ⚙️ Key Features: 🧮 Perform Hex Math — Supports addition, subtraction, multiplication, and division (with remainder display). ⚡ Instant Results — Real-time calculations, both Hexadecimal and Decimal outputs. 🖥️ Offline Support — Works 100% offline, no data collection or network calls. 🎨 Clean, Minimal Interface — Simple design for quick use by developers and students. 🔐 Privacy First — No permissions required, no analytics, no tracking. 👨‍💻 Perfect For: > Software developers and programmers > Computer engineering students > Network engineers and reverse-engineering hobbyists > Designers dealing with color codes (#RRGGBB) > Anyone who frequently works with hexadecimal or binary data 🧰 How to Use Click the Hex Calculator icon in your Chrome toolbar. Enter two hexadecimal numbers (e.g., A5 and 3F). Choose an operation (+, -, ×, or ÷). Instantly view results in both Hex and Decimal formats. 💡 Tip: You can type hex numbers with or without the 0x prefix — the extension automatically recognizes them.