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Number Base Converter

Convert numbers between Decimal, Hexadecimal, Binary, and Octal formats with precision.

Decimal (Base 10)
Hexadecimal (Base 16)
Binary (Base 2)
Octal (Base 8)
Pro Tip: You can paste values into ANY field to instantly update all other bases. Try pasting a Binary string!

Professional Number Base Converter

Our high-precision utility allows you to instantly translate between the most common numerical systems used in computing. Whether you are debugging memory addresses in Hex or working with bitwise operations in Binary, our converter ensures accuracy for integers of any size.

Frequently Asked Questions

What is a Number Base?

A number base (or radix) is the number of unique digits, including zero, used to represent numbers in a system. Decimal is base 10, Hex is base 16, Binary is base 2, and Octal is base 8.

How large numbers are supported?

We use JavaScript BigInt for these conversions, allowing us to handle extremely large integers that exceed the standard 64-bit precision.

Related Tools

Hex to String & String to Hex

Convert text to hexadecimal and hex back to readable text. Supports custom delimiters (space, comma, none).

Binary to String & String to Binary

Convert text to binary (8-bit) and binary back to text instantly. Clean, bit-perfect conversion.

ASCII to String & String to ASCII

Convert text to decimal ASCII codes and back. Useful for data analysis and debugging low-level protocols.

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