UnitBox-tool

UnitBox — a fully offline unit converter and utility toolbox. No network. No account. No ads. Open it, use it, done. 8 CONVERSION CATEGORIES · Length: mm, cm, m, km, inch, foot, yard, mile, nautical mile, li · Weight: mg, g, kg, tonne, ounce, pound, carat, jin · Temperature: Celsius, Fahrenheit, Kelvin · Area: mm², cm², m², hectare, km², in², ft², acre, mu, mi² · Storage: bit, byte, KB, MB, GB, TB, PB (1024-based) · Currency: CNY, USD, EUR, GBP, JPY, KRW, HKD, TWD, CAD, AUD, SGD, RUB, INR, THB, CHF · Angle: degree, radian, gradian, turn, arcminute, arcsecond · Time: ms, s, min, hour, day, week, month, year TWO-WAY LIVE CONVERSION Type on either side and the other updates instantly. Swap units with a single tap and keep going. THREE HANDY TOOLS · Color Picker — enter a hex code for a live preview (#RGB / #RRGGBB / #RRGGBBAA), copy the value, or pick a color from the system palette · QR Code Generator — turn any text or URL into a QR code and save it straight to Photos · Password Generator — choose the length (4–64) and mix uppercase, lowercase, digits and symbols, with a strength indicator and one-tap copy PRIVACY FIRST, FULLY OFFLINE · No network requests at all — every feature works in Airplane Mode · No account, no sign-in, no third-party SDKs · No ads, no analytics · All data stays on your device (UserDefaults / CoreData / file system) and is never uploaded NATIVE EXPERIENCE · Follows system Light and Dark Mode · Chinese and English, matching your system language · iPhone and iPad · Clean purple design with large rounded cards Built for engineers, students, shoppers, travellers and anyone who needs a fast, reliable conversion. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/