Developer

Binary, octal, decimal and hex with bitwise operations.

Add, subtract, multiply and divide binary numbers.

Convert between any bases from 2 to 36.

Epoch seconds and milliseconds to human dates, and back.

Resize while keeping proportions, and identify common ratios.

Bits, bytes and every SI and binary multiple.

Network, broadcast, host range and mask from CIDR notation.

HEX, RGB, HSL and HSV with a live preview.