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Everyday Tools

The quick calculators and handy generators you reach for — BMI, loans, units, dates, QR codes, barcodes, passwords and more.

Calculators

Aspect RatioRatio & dimension calculatorPercentageThree common percentage opsUnit ConverterLength, weight, temp, dataDate CalculatorDate difference & ageBMIBody-mass index, metric or imperialLoan / EMIMonthly payment & total interest

Generators

QR CodeText / URL → downloadable QRBarcodeCODE128 · EAN-13 · UPC → PNGPasswordCryptographically random passwordsUUIDRandom v4 UUIDsText to SpeechRead text aloud in your browser