Utility
A quick collection of practical calculators for daily life.
Percentage CalculatorPercent change, ratio, discount
Age CalculatorAge in years and date difference
Date CalculatorDays between two dates
BMI CalculatorBody mass index and weight range
Unit ConverterLength, weight, and temperature
Random Number GeneratorGenerate random numbers quickly
Time CalculatorAdd or subtract time
Barcode & QR GeneratorGenerate barcodes and QR codes