ID:1875945
 
(See the best response by Lummox JR.)
Problem description:

Hi everyone,

Digging through my old projects and all of my DMIs are of the older BYOND format making them difficult to use outside of BYOND.

I was curious if it was possible to mass convert these to the newer format which resembles PNG instead of going through each DMI individually by hand.

Thanks!
Something that ressembles png?... Do you want them in PNG?
Unfortunately no, I asked Tom about it once and he thought it was a good idea but it never got done. Best way is opening the file and re-saving it, it'll convert then (as you know).
Best response
Yeah, sorry to say this hasn't been a priority (and is increasingly less so as fewer people use old .dmi files).