Use the same structure but change "type": "resources" to "type": "data" .
: A toolkit specifically designed to bridge the gap by converting mods into Bedrock-ready
Minecraft Bedrock should open automatically and import the pack. how to convert jar to mcaddon patched
Converting Java Edition .jar files into Bedrock Edition .mcaddon files—particularly "patched" or modified versions—is a process that bridges the gap between different versions of Minecraft. While Java and Bedrock have fundamentally different codebases, you can convert resource packs and behavior packs (addons) to make them compatible with Bedrock.
This process is , not conversion. For 99% of Java mods, a direct .jar → .mcaddon tool does not exist . If you see one claiming to do it, it's likely a scam or malware. Use the same structure but change "type": "resources"
A standard .mcaddon file is a compressed archive containing exactly two items: a and a Behavior Pack (BP) . Create a workspace directory structured exactly like this:
| Tool | Best For | Key Features & "Patches" | Limitations | | :--- | :--- | :--- | :--- | | | Simple block/item mods; users wanting an AI-assisted conversion. | AI-Powered: Uses multi-agent LangGraph pipeline for intelligent content transformation; Coverage: 67%+ coverage for textures, models, recipes, sounds, lang files, and entities; Validation: Built-in QA pipeline to check conversion accuracy; Currently (MVP): Focuses on converting a single block from a .jar to a working .mcaddon . | In active development; complex logic has a "hard ceiling" (~20-60% success rate); Requires API keys for the full AI engine. | | JavaBE | General Java mod conversion; users wanting a free, user-friendly Windows desktop app. | Free & Automated: One-click Windows desktop tool; Handles: Entity/model conversion (geometry cleanup), animation conversion & controller generation, texture/sound/particle/lang conversion; Script Bridge Fallback: For Java logic that can't be mapped 1:1, which is a key "patch" mechanism. | Active Development: Not every mod will fully convert; Platform: Windows only; Ethical Use: Users are responsible for respecting original creator licenses. | | PackConverter | Converting Java resource packs (not full mods) for use with the Geyser server proxy. | Library for Geyser: Converts Java resource packs for cross-play servers; Handles: Block textures, item textures, entity textures, Bedrock JSON models (geometry, render controllers), recipes, sounds, and lang files. | Not for Full Mods: Primarily for resource packs, not full mods with custom code; Does not convert custom items fully—only textures. | | Java-to-Bedrock-Pack-Converter | Converting Java resource packs, especially those using Custom Model Data , for Geyser. | Specialized for Geyser: Automates conversion of Java JSON models to Bedrock-compatible geometries ( .geo.json ); Specifically handles: custom_model_data items; Output: Creates a Geyser mappings file. | Testing-Only: Very specific use case (1.21.4); Limited Scope: For resource packs only, not mod code. | If you see one claiming to do it,
If you want to bring a Java mod to Bedrock, here’s the step-by-step process advanced creators use.
The asset path in the Bedrock JSON files does not match the actual folder structure. Check your textures/terrain_texture.json or textures/item_texture.json files to ensure paths point to the correct images.
To make sure your files match perfectly, I'll need a few more details about your project. Could you tell me: What is the original JAR mod built for?
This is the only method that creates an .mcaddon that actually contains the original .jar file. It uses a hacked Bedrock launcher to run a Java Virtual Machine (JVM) inside Bedrock.