hexbinary
Hexadecimal to Binary Converter
Convert hexadecimal numbers to binary instantly, with the working shown.
To convert hexadecimal to binary, enter your value above and the result appears as you type. FF in hexadecimal is 11111111 in binary. Conversion uses arbitrary-precision integers, so very large values do not lose their low digits the way floating-point arithmetic would.
Runs in your browserAbout converting HEX to BINARY
Hex is base 16 and maps exactly four bits per digit, which is why one byte is always two hex digits and why colours, memory addresses and hashes are written this way. Binary is base 2 — each digit is one bit, so eight digits make a byte. As a worked example, FF (hex) equals 255 in decimal and therefore 11111111 in binary.
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