Unitly — Unit Converter

Unitly is a fast, lightweight, all-in-one unit converter right in your browser toolbar.

Click the icon, enter a value, and get instant results. no sign-up, no tracking.

[15 CATEGORIES SUPPORTED]

- Length — km, m, cm, mm, mile, yard, foot, inch, nautical mile
- Weight — kg, g, mg, lb, oz, ton, stone
- Temperature — °C, °F, K
- Area — m², km², ft², acre, hectare, pyeong
- Volume — L, mL, gallon, cup, fl oz, tbsp, tsp
- Speed — km/h, m/s, mph, knot, Mach
- Time — ms, sec, min, hour, day, week, month, year
- Data Storage — bit, byte, KB, MB, GB, TB, PB
- Pressure — Pa, bar, atm, psi, mmHg
- Energy — J, cal, kcal, kWh, BTU
- Power — W, kW, MW, hp
- Angle — degree, radian, gradian
- Frequency — Hz, kHz, MHz, GHz, rpm
- Fuel Efficiency — km/L, L/100km, mpg
- Currency — Live exchange rates (powered by European Central Bank data)

[KEY FEATURES]

- Real-time conversion — Results update as you type
- Swap button — Instantly switch From and To units
- Copy result — One-click copy to clipboard
- Auto-refresh rates — Exchange rates update every hour
- Offline support — Currency conversion works with cached data
- Clean UI — Simple, intuitive, distraction-free design
- Lightweight — Zero impact on browser performance

Perfect for students, developers, travelers, engineers, and anyone who works with different units every day.