Health
Calculate Body Mass Index (BMI) and get health category recommendations
Calculate body fat percentage using the US Navy method
Finance
Generate Bitcoin addresses from private keys for different address types
Validate Bitcoin addresses and detect address type (P2PKH, P2SH, Bech32)
Calculate calories burned during various activities
Network
Calculate network information from CIDR notation. Supports IPv4 and IPv6.
Calculate daily calorie needs based on activity level and goals
Math & Numbers
Convert between different force units (newton, pound-force, kilogram-force, dyne, etc.)
Calculate fuel costs based on distance, fuel efficiency, and gas price
Development
Format code in various languages
Generator
Generate cron expressions with presets and custom options
Test and validate cron expressions, see future execution times