The "HOI4 Focus Tree Maker" (often referring to the popular web-based ) has become a staple for creators who want to build complex national progression paths without manually writing thousands of lines of script.
: Every node has a full editor for IDs, political power costs, AI logic, and bypasses.
Suddenly, a bug in the web-app caused the lines to flicker. The red exclusion line turned gold. Leo tried to delete it, but the tool wouldn't let him. Instead, a new, unscripted branch sprouted from the bottom: He hadn't typed that.
, you know the struggle: hours spent manually editing .txt files, squinting at brackets, and constantly restarting the game just to see if your nodes are overlapping. But the modding landscape shifted significantly with the release of the , codenamed "Operation Anvil" . hoi4 focus tree maker upd
The flagship browser tool available at HOI4 Modding remains a top favorite.
This is a downloadable application run outside of the game, known for having a more robust code validator.
Hearts of Iron IV (HoI4) is a grand strategy game set in World War II, and one of its most popular features is the ability to create custom focus trees using the Focus Tree Maker tool. This tool allows players to create unique national focus trees for any country in the game, offering a high degree of replayability and customization. The "HOI4 Focus Tree Maker" (often referring to
The has democratized modding. Whether you are creating a meme tree for Tannu Tuva or a sprawling 200-focus epic for a Cold War mod, this tool reduces errors and accelerates development. The update fixes long-standing bugs, adds support for modern DLC mechanics, and streamlines the export process.
The developers behind the have hinted at version 3.0, which will feature:
Controls the width. Leave spaces between branches to prevent overlap. The red exclusion line turned gold
: If you are looking to share or preview your work, this tool generates high-quality screenshots of focus trees from your mod files without needing to open the game. Current Modding Environment (2026)
We will cover the major standalone applications, the best VS Code extensions, and web-based tools, explaining which is right for you depending on the scale and ambition of your mod.
: Drag lines between nodes to establish prerequisites.
: Use the library import feature to pull in pre-made focus lists via JSON, perfect for collaborative projects. Is the Online Tool Still Viable?
: The game uses a coordinate system where x = 1 is roughly 96 pixels and y = 1 is 130 pixels.