GalaxyConverter

GalaxyConverter — the universal unit & currency converter that just works.

Whether you're traveling, studying, cooking, building, or invoicing across borders, GalaxyConverter gives you instant, accurate conversions across 8 categories and 162 world currencies — all in 11 languages, with a clean, adaptive interface that looks great on phones, tablets and desktops.

WHAT YOU CAN CONVERT
Length · Weight · Temperature · Volume · Area · Time · Speed · Currency

KEY FEATURES

🔢 8 CATEGORIES OF MEASUREMENTS
• Length — meters, kilometers, miles, yards, feet, inches, nautical miles
• Weight — kilograms, grams, tons, pounds, ounces, stones
• Temperature — Celsius, Fahrenheit, Kelvin
• Volume — liters, gallons, quarts, pints, cubic meters, US fluid measures
• Area — square meters/kilometers/miles, hectares, acres
• Time — milliseconds to years
• Speed — m/s, km/h, mph, knots, Mach, speed of light
• Currency — 162 world currencies with live exchange rates

💱 REAL-TIME CURRENCY RATES
Daily-updated exchange rates from a trusted financial data source. Smart offline fallback — cached rates keep the app working without internet. Visual indicator when live rates are loaded.

🌍 11 LANGUAGES OUT OF THE BOX
English · 中文 · Español · हिन्दी · العربية · Português · বাংলা · Русский · 日本語 · Français · Українська
Auto-detects your device language; switch anytime from the header.

🎯 SMART CONVERSION ENGINE
• 3 precision modes: Auto · 2 / 4 / 6 decimals
• Locale-aware input — comma or dot as decimal separator
• Special handling for non-linear scales (temperature)
• Robust input — never shows NaN or Infinity

⚡ QUICK ACTIONS
• One-tap swap between source and target units
• One-tap copy result with unit symbol to clipboard
• Search any unit by name or symbol
• Live result updates as you type

🎨 BEAUTIFULLY ADAPTIVE UI
• Phone: clean single-screen view with bottom-sheet selectors
• Tablet / desktop / web: wide-screen 3-column layout
• Light & Dark themes — automatic, follows your system
• Edge-to-edge design on Android 15+, predictive-back gesture
• Optimized for tablets, foldables, and Chromebooks

🔒 PRIVACY-FIRST
• No personal data collected — no name, email, or location ever asked
• No ads, no tracking pixels, no third-party SDKs sold to advertisers
• Anonymous usage analytics only — fully GDPR/CCPA-aligned
• Currency requests go directly to a public financial-data API

🆓 FREE FOREVER — NO PAYWALLS
No premium tier, no "unlock more units" scheme, no ads. Just a converter that works.

PERFECT FOR
✈️ Travelers — convert currency, distance, temperature on the fly
📚 Students & teachers — all physics units including Mach and speed of light
🔧 Engineers — high-precision modes, imperial ↔ metric conversions
🍳 Cooks — US cups/pints/fluid ounces ↔ liters/milliliters
💻 Freelancers — 162 currencies, one tap away
🛡️ Privacy-conscious users — zero personal data, no ads, no tracking

Built with React Native + Expo, native performance on iOS & Android, also runs in modern browsers. Tested on Android 7+ and iOS 15.1+.