Toolbox

Toolbox brings the calculators and converters you use most into one clean, fast Android app. It works fully offline, with no ads, no sign-up and no tracking, so your everyday tools are always ready when you need them. TOOLS INCLUDED • Calculator — quick everyday math with live results • Unit Converter — length, mass, temperature, area, volume, speed, time and digital storage • Currency — convert money with editable offline reference rates • BMI — body mass index in metric or imperial units • Tip — calculate tips and split a bill • Discount — sale price and savings • Percentage — percent of a number, ratios and percentage change • Loan / EMI — monthly payment, total interest and total repayment • Age — exact age in years, months, days and weeks • Date Difference — days, weeks and months between two dates • Randomizer — random numbers, dice rolls and coin flips • Stopwatch & Timer — stopwatch with laps and a countdown timer WHY YOU'LL LIKE IT • Colorful Material 3 design with quick search • Light & dark themes, plus dynamic color on Android 12+ • Lightweight and fully offline • No ads, no accounts and no data collection Whether you are shopping, studying, cooking, traveling, planning a budget or working with measurements, Toolbox keeps the right tool one tap away.