hex digit
0
Each bit has a weight (8, 4, 2, 1). Add the weights of the bits that are on. The total (0–15) becomes one hex digit.
Forge a byte, read it in hex.
Toggle the eight bits below. Watch the nibbles split into hex digits in real time, then copy the result straight into your code as a C-style literal.
8-bit byte editor
high nibble
low nibble
decimal
0
Hexadecimal result
0x00
Nibble-split view
4 bits → 1 hex digit
hex digit
0
Same rule: weights 8, 4, 2, 1. Totals 10–15 map to letters A–F (10=A, 11=B, 12=C, 13=D, 14=E, 15=F).
0
concat
0
=
0x00