Number Base Converter

Binary / octal / decimal / hex conversion with big integers, two's complement by bit width and byte order views.

Result

Type an integer in any base, get all four bases instantly, plus two's complement and byte order for the selected bit width.

Value

Examples

Source base

Bit width

HEXHexadecimalffsource

DECDecimal255

BINBinary1111 1111

OCTOctal377

Interpretation by bit width

Unsigned

255

Signed

255

Sign bit

0 (non-negative)

BIN

0000 0000 0000 0000 0000 0000 1111 1111

HEX

00 00 00 FF

Byte order

Big endian (BE)

00 00 00 ff

Little endian (LE)

ff 00 00 00

Notes

Integer math uses BigInt, so nothing is lost to floating point; bits above the selected width are truncated.

Copied values carry no separators — paste them straight into code.