Responsive base converter

Hex, Binary, Decimal, Octal Converter

Enter a value in any field. The other bases update automatically. Copy buttons work on HTTP, Raspberry Pi, iPhone, and desktop browsers.

Convert number bases

0-9, A-F
0 or 1
0-9
0-7

Quick facts

Bit length
0
Nibble groups
0
Hex prefix
0x0
Octal prefix
0o0
Supports non-negative whole numbers using JavaScript BigInt.
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