Toolbox

Timber Echo Studio

About this app

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.