CalculatorHex is a free toolbox built for developers tired of Googling the same conversions. Hex to decimal, hex to binary, hex to RGB, ASCII to hex, and 30+ more calculators — all in one clean, fast app. No sign-up, no clutter, no ads in your way. Just open it, convert, done. Built by a small team frustrated with re-searching hex-to-color conversions for the hundredth time. Free on iOS and Android.