The script will parse Java recipes, tags, and loot tables, auto-generating Bedrock-compliant behavior files. Step 5: Generate the Manifests and Compile the .mcaddon
"format_version": 2, "header": "description": "Ported Assets from Java", "name": "Converted Resource Pack", "uuid": "INSERT_FIRST_UUID_HERE", "version": [1, 0, 0], "min_engine_version": [1, 20, 0] , "modules": [ "description": "Visual assets", "type": "resources", "uuid": "INSERT_SECOND_UUID_HERE", "version": [1, 0, 0] ] Use code with caution. Behavior Pack Manifest Example
: Usually caused by a syntax error in the manifest.json . Use a JSON validator to check for missing commas or brackets.
using 7-Zip:
Make sure you have enabled Experimental Gameplay toggles in your Bedrock world settings (e.g., Holiday Creator Features).
Amulet Editor This is currently the most reliable community tool for cross-platform conversion.
Note: Java textures often need to be mapped to Bedrock models, which can be complex if the textures are formatted differently. Step 4: Converting Behaviors (The Hard Part) how+to+convert+jar+to+mcaddon+verified
Right-click the highlighted folders, select your archiving tool, and compress them together into a standard .zip file.
Verify that the manifest.json file inside the .mcpack is valid.
Navigate to File > Convert Project . Change the project type from "Java Block/Item" to "Bedrock Block" or "Modded Entity" depending on your asset type. The script will parse Java recipes, tags, and
: Create a root folder named after your mod, and inside it, create two sub-folders: Manifest Files : Every pack needs a manifest.json
Create a new world, activate both the Resource and Behavior packs in the world settings, and turn on Experimental Gameplay features (Holiday Creator Features / Custom Components), which are usually required for custom add-ons to function. Verified Troubleshooting Tips
A .jar file is essentially a zipped archive containing code, 3D models, textures, and data layouts. Use a JSON validator to check for missing commas or brackets
The current development priority is the Minimum Viable Product (MVP), focusing on converting simple Java block mods into functional Bedrock add-ons. Future features include support for items, entities, and complex logic with AI-powered analysis.
Create a folder for your behavior pack. Inside, you'll need: