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Number base converter

Convert between binary, octal, decimal, and hex in real time. Free.

Decimal (DEC)

Binary (BIN)

Octal (OCT)

Hexadecimal (HEX)

Base converter (binary, octal, decimal, hex)

A tool that converts numbers among different bases — binary, octal, decimal, hexadecimal, and more. Use it for programming and calculations.

Does hexadecimal work? ⌄

Yes. It supports conversion among base 2, 8, 10, and 16.

Do large numbers work? ⌄

It converts integers in the ordinary range.