Is it a or a Major Gameplay Mod (like a tech/magic mod)?
Written in Java, typically using the Forge or Fabric loaders.
If the Java mod used deep logic, you will need to port that code into the Bedrock GameTest Framework , which uses JavaScript, rather than trying to map it to JSON. Convert Jar To Mcaddon
will let Minecraft try to open it, but it will almost always result in an "Import Failed" error tomgregory.com Manual Porting:
Even with the best tools available, certain types of mods simply cannot be fully converted: Is it a or a Major Gameplay Mod (like a tech/magic mod)
If your JAR file is a texture pack, you can follow these steps to bring it into Bedrock:
Claims to translate Java assets into Bedrock-compatible files. User Interface: [Simple/Complex] drag-and-drop system. Compatibility: Support for specific versions (e.g., 1.20+). ⚖️ Pros and Cons ✅ Saves time on manual porting ❌ Limited to simple items/blocks ✅ No coding knowledge required ❌ Complex logic (mobs, UI) often fails ✅ Fast processing speeds ❌ High risk of "broken" textures 🔍 Technical Reality Check will let Minecraft try to open it, but
Double-clicking this new .mcaddon file will now automatically launch Minecraft Bedrock and install your ported contents directly into the game. Common Conversion Challenges and Fixes
Go to (or use the Bedrock Model format if you are building from scratch). Load your Java .json model. Once loaded, navigate to File > Convert Project .
It is important to clarify that converting a file directly to a file is technically impossible