Creating custom national focus trees for Hearts of Iron IV (HOI4) is much easier than it used to be, thanks to several free community tools. Whether you want a visual drag-and-drop experience or a specialized editor for complex scripting, there are solid options available as of early 2026. Top Free HOI4 Focus Tree Makers

How to Choose the Right Tool

• Add root focus (start).
• Add branches for political, military, industry, and unique national goals.
• For each node set: id, name (localisation key), prerequisite(s), completion reward (political power, research bonus, manpower, resources, units), cost (days), availability conditions.

Showcase: What Can You Build for Free?