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Number Base Converter

Number Base Converter

Convert between binary, octal, decimal, and hexadecimal

Input NumberFrom Base

How It Works

Convert numbers between binary, octal, decimal, and hexadecimal bases instantly. See all conversions side by side. Also shows the Unicode/ASCII character for valid code points.

Frequently Asked Questions

What number bases are supported?

Binary (base 2), Octal (base 8), Decimal (base 10), and Hexadecimal (base 16).

How do I enter a hex number?

Select 'Hexadecimal (16)' as the input base, then type your hex value using digits 0-9 and letters A-F.

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