Change the file extension from .zip to .mcaddon . If you don't see the extension, enable "File name extensions" in your Windows folder options.
This is the most time-consuming phase. Java mods use complex programming loops, event listeners, and math libraries. Bedrock accomplishes this via data-driven JSON components and the (TypeScript/JavaScript). Porting Blocks and Items
You must manually translate the Java mod’s features into Bedrock components.
Bedrock requires all geometry cubes to be parented inside a "Bone". Group your cubes into folders named after standard Bedrock parts (e.g., head , body , leg0 ). Convert Jar To Mcaddon
Are you focusing more on or complex mobs with AI ?
"format_version": 2, "header": "name": "Converted Addon BP", "description": "Logic rewritten for Bedrock", "uuid": "Generate a third unique UUID", "version": [1, 0, 0], "min_engine_version": [1, 19, 0] , "modules": [
Bedrock uses the Render Dragon graphics engine. Custom shaders or advanced rendering techniques used in Java mods (like OptiFine or Iris features) cannot be directly converted to Bedrock resource packs without using specific MaterialBin formats. Conclusion Change the file extension from
Adjust any broken textures or pivot points caused by the conversion. Export the file as a Bedrock geometry file ( .geo.json ). 3. Use Bridge or Online Converters
You should not attempt to convert every .jar mod. Ask these three questions:
Converting a JAR to Mcaddon requires:
Once your folders are ready, zip them together and rename the file extension from .zip to .mcaddon . :
Once your Resource Pack and Behavior Pack are fully populated, mapped, and tested, it is time to compile them into a singular, easily installable file.
This is where 90% of the work lies. The Java mod's functionality (e.g., "When I right-click this wand, explode fireballs") must be rewritten in and Event-Driven JSON . Java mods use complex programming loops, event listeners,
Right-click and choose > Compressed (zipped) folder (or use 7-Zip to create a standard .zip archive).