/TRAINING
Hex Trainer
Learn hexadecimal by seeing it. One byte, two nibbles, eight bits — change any of them and watch the rest snap into place.
one byte, two nibbles
high nibble (×16)
low nibble (×1)
bit set — click a bit to toggle
0–F reference
Each hex digit is exactly four bits — a nibble. Sixteen digits cover every 4-bit pattern from
0000 to 1111. The last six (A–F) are just names for ten through fifteen.
drill // coming next
Timed drills land here once the learn half feels right: hex ↔ decimal on sight, byte → binary,
and reading a run of hex the way you'd read a MAC address or an IPv6 field. Same console, same math you just watched.
EOF