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Number Base Converter

Convert between binary, decimal, hexadecimal, and octal — instant

Decimal (Base 10)

Binary (Base 2)

Hexadecimal (Base 16)

Octal (Base 8)

Frequently Asked Questions

This converter supports integers up to JavaScript's Number.MAX_SAFE_INTEGER (2^53 - 1). For larger numbers, precision may be lost.

Currently, only positive integers are supported. For negative numbers in binary (two's complement), manual conversion is needed.