This web app is like a Swiss Army knife. It contains many useful functions that make your device an all-purpose tool: • Conversion of values into other units (kilometers/miles, degrees Celsius/Fahrenheit, etc.) • Text input without the hassle of auto-correction, ideally suited for texts in a foreign language • Remove multiple spaces and blank lines from text • Convert text to upper and lower case • Determine your own location, measure distances • Calendar calculations, annual calendar • Compare length dimensions • Color mixer for RGB colors • Measure distance • Play high-frequency sound • Stopwatch with reference table • Analog clock The app can be used immediately. Registration is not required.