@SomeEgrets@meow.social oh yeah! it's absolutely rad!
https://github.com/WerWolv/ImHex
if you grab it, try opening a png in it and check out the breakdown in the bottom when you apply its pattern!
it's not as elaborate as wireshark's bit-for-bit descriptions of what things are, but it does a lot of the same things, and i like it lots~