Is Number Base Converter free to use?

Yes, Number Base Converter is completely free with no hidden fees or usage limits. Pro features are available for power users.

Absolutely. All processing happens locally in your browser. Your files never leave your device.

Do I need to install software?

No installation required. Works directly in your web browser on any device.

Source base

Custom base (2-36)

Number

Bit grouping

Uppercase hex output

Show prefixes (0b, 0o, 0x)

Binary

Octal

Decimal

Hexadecimal

Custom Base PRO

PRO

Precision

Sign --

Exponent --

Mantissa --

Hex --

PRO

Decimal number

Source base

Precision (fractional digits)

Binary

Octal

Hexadecimal

PRO

Numbers (one per line)

Input	Binary	Octal	Decimal	Hex