ZapBase

Free Number Base Converter — Binary, Hex, Octal, Decimal

All conversions run locally in your browser

Enter a Number

Input base

Switch to:

Binary base 2

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Octal base 8

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Decimal base 10

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Hexadecimal base 16

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Bit Visualization —

Enter a number above to see its binary representation

ASCII / Unicode Character code point range 0–1114111

Enter a decimal value 32–126 to see the ASCII character, or 0–1114111 for Unicode.

Two's Complement (Negative Representation)

Signed value —

Two's complement (bin) —

Two's complement (hex) —

Min / Max (signed) —

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