Hexadecimal to binary converter
Enter a hexadecimal number using 0–9 and A–F.
Convert a hexadecimal number to binary.
About this tool
The hexadecimal to binary converter expands a base 16 value into zeros and ones. Use it to inspect individual bits in a byte, understand flags in a register, or compare a hexadecimal payload with binary documentation. Each hexadecimal digit maps to four binary digits, which makes the relationship easy to follow. Enter a whole hexadecimal number using digits and letters from A to F.