Number Base Converter
Convert numbers between binary, octal, decimal and hexadecimal in real time. Supports large numbers via BigInt.
Quick examples:
0b
0o
0x
Binary (Base 2)
Binary uses only 0 and 1. It is the fundamental language of all digital systems and processors, where each digit represents a single bit.
Octal & Decimal
Octal (base 8) uses digits 0-7 and is common in Unix file permissions. Decimal (base 10) is the standard numeral system used in everyday life.
Hexadecimal (Base 16)
Hex uses 0-9 and A-F, providing a compact way to represent binary data. Widely used in color codes, memory addresses and low-level programming.