Euler’s Unit Converter 4+

Simple and unobtrusive unit converter for most needs. It can be used as a regular app window but is also available any time in the Today Notification Center (needs to be added after download and available on prior macOS 11 Big Sur only) and menu bar app (to be enabled in preferences). Multiple converters are possible in the notification center only.

Features:
- Angle, Area, Currency, Data Units, Energy, Force, Fuel Efficiency, Length, Mass, Power, Pressure, Speed, Temperature, Time, Timestamp and Volume
- Rates for more than 40 currencies (Sources: Floatrates/Fixer)*
- Rates for 19 cryptocurrencies (Source: CoinCap)*
- Settings (in menubar) for: light and dark mode; keeping the window on top; thousands separator; decimal places
- Swapping of units
- Share conversion via mail, messages etc.
- Touch Bar support for preferences

* data for currencies are provided by free data sources, which availability cannot be guaranteed.

Localized to: Arabic, Chinese (Simplified), Czech, Danish, Dutch, English, French, German, Greek, Hungarian, Korean, Indonesian, Italian, Japanese, Norwegian, Polish, Portuguese, Romanian, Russian, Spanish, Swedish, Thai, Turkish.

Why the name Euler: Leonhard Euler (1707 - 1783) was a Swiss mathematician born in Basel, which is also the hometown of the developers