Convert between BCD (Binary-Coded Decimal), decimal, octal, and hexadecimal.
BCD (Binary-Coded Decimal) encodes each decimal digit 0-9 as a 4-bit binary nibble. For example, 12 is 0001 0010.
Number Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal. Supports any base from 2 to 36.
Gray Code Converter
Convert between Gray code and binary, octal, decimal, and hexadecimal.
Binary Calculator
Add and multiply binary numbers; compute bitwise AND, OR, XOR, NAND, NOR, XNOR, NOT; invert, reverse, rotate, and shift binary strings.
Roman Numeral Converter
Convert between Roman numerals and decimal numbers. Supports standard subtractive notation (IV, IX, XL, etc.).