"The game freezes on loading screen." Solution: You corrupted the header. Open the save editor again, go to "Tools" -> "Repair Save Header." New editors all have this built-in.
The “Zomboid Save Editor New” refers to a recent generation of third-party save editing utilities for the hardcore survival game Project Zomboid (The Indie Stone). Unlike earlier, limited save editors (e.g., PZEdit, early Map Tools), this new wave offers for builds 41.78 through the unstable Build 42 (and early 43). These tools are primarily Python or C#-based and have significantly reduced the risk of world corruption. zomboid save editor new