Dr. Alistair Finch, a computational archaeologist with a fondness for tweed jackets and terrible coffee, stared at his monitor. On the screen was a file icon that looked like a steaming coffee mug. Inside was a treasure: a custom-coded Minecraft mod from 2012, designed for version 1.2.5. It was a .jar file.
Alistair opened a new folder on his desktop and named it MyPocketRealm. Inside, he created two sacred directories, the twin pillars of any .mcaddon: how to convert jar to mcaddon
| Java Mod Feature | Bedrock Equivalent |
|----------------|--------------------|
| Custom block (e.g., furnace-like) | block.json + minecraft:custom_components |
| New mob AI | Entity Behavior Tree (.json) |
| Custom recipe | recipes/ folder with recipe JSONs |
| New item | item.json + texture reference |
| Event handling | Animation Controllers & Scripting (JavaScript via Script API) | Part 1: The Ancient Relic
Dr
"name": "My Addon",
"description": "An example addon",
"version": [1, 0, 0],
"authors": ["Your Name"],
"license": "MIT"
This is the most difficult part. Java mods use complex Java code to define behavior, whereas Bedrock Addons use JSON "components" or JavaScript. Finding a similar Bedrock add-on
You will need to create a folder structure for both packs, including manifest.json files for each. 3. Translate Assets (Resource Pack)
- Finding a similar Bedrock add-on.
- Commissioning a developer.
- Learning Bedrock’s Script API (JavaScript) for moderate complexity.