Unit Converter

Universal unit converter + math tools with favorites, history, and offline support.

🔄 Converter — Unit Converter & Math Tools Converter is a fast, offline-first unit converter and math toolbox designed for clarity, speed, and everyday use. No clutter. No accounts. No tracking. Just open, convert, and get back to what you’re doing. ✨ What you can do 🔢 Universal Unit Converter - Convert units using one clean workflow: - Length: cm ↔ in, m ↔ ft, km ↔ mile - Weight: kg ↔ lb - Speed: mph ↔ km/h - Area: m² ↔ ft² - Pressure: PSI ↔ bar - Temperature, volume, and more - Pick a category, choose From / To, enter a value — done. 🧮 Math Tools (Built-in) - Quick access to everyday math utilities: - Square root - Prime number checker - Divisors & factorial - Percentage calculator (x% of y, increase/decrease) - Power (xʸ) - GCD / LCM - Binary / Decimal / Hex converter - All tools work instantly and offline. ⭐ Favorites & History - Pin your most common conversions - One-click reuse - View recent results (up to 40 items) ⌨️ Keyboard-First & Fast - Auto-focus inputs - Enter to convert - Arrow keys to navigate - Copy results with one click - Designed for speed and daily use. ⚙️ Options - Light / Dark / System theme - Decimal precision control - Clean, distraction-free UI 🔒 Privacy First - No accounts - No analytics - No ads - No tracking - All data stays on your device - Converter works fully offline and never sends data anywhere. 👨‍💻 Built by Eagleye Web Solutions - Carefully designed and maintained with a focus on performance, simplicity, and privacy. - If you rely on unit conversions or quick math during your day, Converter is built to stay out of your way and just work.