I’m running gmod on mac and i want to get my picture file in vtf format so i can use it as my gmod background. Reply to this with your email and the format you to convert it from, ill sent the pic to you and you send it back in vtf.
The standard tool for this, VTFEdi-
How about the very first result…
only for windows
the forum it links you to dose not even awnser the question