ConvertAny.app is an all-in-one unit converter with 19+ tools: length, weight, temperature, volume, speed, area, pressure, currency (EUR/USD and more), crypto, cooking, clothing sizes, Roman numerals, fuel economy and oven temperatures. Every conversion runs locally in your browser — no sign-ups, no ads in the interface, no limits, no tracking. Baking a US recipe in Europe? Convert cups to milliliters and Fahrenheit to Celsius without the math.