iConverter - Multi-tool Suite

iConverter, 102 tools in one pocket. Everyday calculations and conversions, in one app. No ads. A thank-you tip is optional. There is no tracking. Offline work stays on your device. Why keep it on the Home Screen Check BMI, convert a recipe, format JSON, compare a mortgage, then look up a family title. Nine categories, 102 tools, open and ready. Calculators, 3 Standard, Scientific, and Programmer. Standard calculator parentheses are off by default. Tap a line to edit it, or restore a formula from history. Programmer mode covers decimal, hex, octal, and binary, bitwise operations, and 8, 16, 32, or 64 bit word sizes. All three share one history. Finance, 7 Mortgage covers a standard loan, a combined loan, and LPR. Amounts use yuan or 10,000 yuan (Chinese: 10k, English: yuan). Prepayment compares a shorter term with a lower payment. Resale taxes cover deed tax, income tax, and VAT. Date and time, 9 Age, date math, lunar calendar from 1900 to 2100, solar terms, countdown, due date, cycle tracking, world clock, and zodiac. Add a countdown to Calendar. Math, 7 Percentage, fractions that simplify themselves, prime factors with GCD and LCM, quadratic equations, statistics, permutations, combinations, and geometry. Code and utilities, 25 HTTP requests, JSON, JWT, Cron, IP and subnets, regex, passwords, random numbers, Base64, URL encode and decode, hashes, bank card check, QR codes, Roman numerals, timestamps, word count, color and palettes, text case, text diff, Morse, an ASCII table, file download, and a web browser. QR codes can be created or scanned. History stores each text once, up to 100, apart from calculator history. Tap an entry to restore format, style, color, and error correction. Lists omit WiFi passwords and one-time secrets. Saving can be turned off. Life, 15 BMI can use the China adult standard or WHO. Also: BMR, sizes, height, fuel and shipping cost, blood alcohol, kinship, ID parsing, coin flip, dice, draws, a spinner, and video frames. Sensors, 5 Compass shows true and magnetic north and bearing; location is asked only when opened. Level needs no extra permission. Altitude uses location and the barometer, and the current spot can become the baseline. Magnifier uses the rear camera with zoom, flashlight, and freeze frame. Scan & Convert reads units in the camera or a photo; tap one to convert. Chinese, 3 Numbers convert to formal Chinese and back; invoice amounts use a dedicated format. Unit conversion, 27 categories Length, area, volume, weight, temperature, time, speed, pressure, energy, power, force, torque, frequency, angle, data storage, transfer rate, illuminance, magnetic flux density, radioactivity, viscosity, fuel economy, flow rate, density, magnetic flux, absorbed dose, equivalent dose, and amount of substance. Lock Screen and Dynamic Island On iPhone with iOS 17 or later, calculator, unit conversion, countdown, coin flip, dice, and kinship can stay on the Lock Screen and in the Dynamic Island. Countdown ticks for the last 8 hours. Tap to return with the result. Shortcuts or iconverter://liveactivity/ links can start or end a card without opening the app. On iOS 18, Watch and CarPlay show an icon and one line. Widgets, 21 Fourteen fit the Lock Screen. New small and large sizes keep medium widgets you already placed. World clock, countdown, lunar calendar, BMI, mortgage, compound interest, and temperature gain a small or large size. Discount, tip split, and fuel cost gain small. Date math gains large. Details English, Simplified and Traditional Chinese. Up to 4 Home Screen quick actions, 12 alternate icons, and 12 accent colors. Search the menu grid. Tap a result to copy it. iOS 15 or later. Widgets and Live Activities need iOS 17. Privacy No ads and no tracking. A thank-you tip is optional. Nearly every tool works offline. Network requests and the browser go online only when you use them. Camera frames stay on device. iConverter is meant to be the tool you open every day.