This is my go to hexdump, the -c option shows helpful colors and makes reading much easier.
the offset option -o also supports arithmetic expressions, eg. -o '0x200 * (0x7 + 4)'.
xdp is also extremely fast
usage: xdp [-hncs] [-o offset] [-n length] ... [file] ...
description:
touch the very fabric of creation itself, follow the
darkest depths and wield a power that few can comprehend
options:
-n EXPR the range of bytes to read from the file (default: until EOF)
-o EXPR starting byte offset to read from (default: 0)
-s dump strings at least 4 characters long
-c enable colored output
-r dump as a stream of hex characters
-h show this help message