Bedrock recipe ( recipes/ruby_block.json ):

"type": "crafting_shaped", "pattern": ["###", "###", "###"], "key": "#": "item": "minecraft:ruby" , "result": "item": "mod:ruby_block"

Minecraft’s fragmentation between Java Edition and Bedrock Edition has long been a headache for creators. Java boasts a vast library of .jar mods, while Bedrock uses the .mcaddon format (a renamed .zip file containing behavior packs and resource packs).

Respect mod licenses. Only convert your own mods or open-source mods with permission. Never redistribute converted content without credit to the original Java author.

| Feature | Java (JAR) | Bedrock (MCADDON) | |---------|------------|-------------------| | Language | Java | C++ / JSON | | Render Engine | Lightweight / OpenGL | RenderDragon (custom) | | Entity System | NBT + Classes | Component-based JSON | | Scripting | JavaScript (via Rhino) / Java | JavaScript (via GoDot) / TypeScript |

If a tool claims "100% automatic conversion" for any non-trivial mod, it’s lying. Part 8: Step-by-Case Example – Converting a Simple JAR Mod Let’s walk a real example: converting "More Ores Mod (JAR)" that adds Ruby, Sapphire, and Topaz ores, ingots, and tools.

template: