Format Conversion
Encode and decode data to/from BSON (Binary JSON) format
bson-converterFormat Conversion
Encode and decode data to/from Smile (binary JSON) format
smile-converterUtilities
Calculate age from birth date in years, months, days, and total time units
age-calculatorHealth
Calculate possible blood types for parents and children based on genetics
blood-type-calculatorHealth
Calculate Body Mass Index (BMI) and get health category recommendations
bmi-calculatorHealth
Calculate body fat percentage using the US Navy method
body-fat-calculator-us-navyFinance
Generate Bitcoin addresses from private keys for different address types
btc-address-generatorFinance
Validate Bitcoin addresses and detect address type (P2PKH, P2SH, Bech32)
btc-address-validatorHealth
Calculate calories burned during various activities
calorie-burned-calculatorFormat Conversion
Encode and decode text using ROT13 substitution cipher (rotates letters by 13 positions)
rot13-cipherFormat Conversion
Encode and decode text using ROT47 cipher (rotates all printable ASCII characters by 47 positions)
rot47-cipherMath & Numbers
Advanced scientific calculator with support for complex mathematical functions and expressions
scientific-calculator