Number base converter
Hexadecimal to Binary Converter
Convert hexadecimal numbers to binary for programming, computer science, and digital logic.
Base converter
Hexadecimal to Binary
Convert whole numbers between decimal, binary, hexadecimal, and octal.
Hexadecimal input can use digits 0-9 and letters A-F.
Result
1010
Hexadecimal (base 16) to Binary (base 2)
How Hexadecimal to Binary Conversion Works
Hexadecimal uses base 16, while Binary uses base 2. The converter first reads the input value in base 16, then writes the same whole number in base 2.
This tool supports whole numbers within JavaScript's safe integer range. Binary output is grouped in blocks of four digits so long results are easier to read.
Example Conversions
| Hexadecimal | Binary |
|---|---|
| A | 1010 |
| F | 1111 |
| FF | 1111 1111 |
| 1A3 | 1 1010 0011 |
FAQ
What does Hexadecimal to Binary Converter do?
It converts a whole number written in Hexadecimal (base 16) into Binary (base 2).
Is Hexadecimal to Binary conversion exact?
Yes. Number base conversion rewrites the same whole number in another base, so the value itself does not change.
Can I use spaces in binary or hex input?
Yes. Spaces are ignored, so grouped binary like 1010 1101 is accepted.
Is this converter private?
Yes. The conversion runs locally in your browser and does not need a database or paid API.