Number Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal. Supports large numbers and shows all bases simultaneously.
Examples
Decimal 255
In:255
Out:FF (hex), 11111111 (bin)
Hexadecimal FF
In:FF
Binary 11111111
In:11111111
How to Use Number Base Converter
- Enter a number in the input field.
- Select the source base (binary, octal, decimal, or hexadecimal).
- View the converted values in all four bases instantly.
- Click the copy button next to any result to copy it to your clipboard.
What is Number Base Conversion?
Number base conversion is the process of translating a number from one positional numeral system to another. Developers frequently convert between binary, octal, decimal, and hexadecimal when working with low-level data, memory addresses, bitwise operations, and color codes.