"format_version": 2, "header": "description": "Converted Java Mod Textures", "name": "Converted Mod RP", "uuid": "GENERATE-A-UNIQUE-UUID-1", "version": [1, 0, 0], "min_engine_version": [1, 20, 0] , "modules": [ "description": "Resource Pack Module", "type": "resources", "uuid": "GENERATE-A-UNIQUE-UUID-2", "version": [1, 0, 0] ] Use code with caution. Behavior Pack Manifest
Move both your completed .mcpack files into this new folder. Compress this entire parent folder into a .zip archive.
: A toolkit designed to convert .jar mods into Bedrock-ready .mcaddon files.
Java uses a distinct json-based model format that Bedrock cannot read natively. Blockbench bridges this gap instantly. Open . how to convert jar to mcaddon portable
This is a popular web-based utility designed to parse Java assets and spit out Bedrock-compatible resource structures. Upload your extracted JAR folder or zip file. Select the target Bedrock engine version. Download the parsed structural components. 2. Bridge. Core / Bridge v2
Copy the JSON data you extracted from the .jar ’s data folder.
Drag and drop the extracted textures onto the model. : A toolkit designed to convert
Note: Ensure image dimensions remain square (e.g., 16x16, 64x64). Converting 3D Models
Java textures are often mapped differently or include specific transparency settings that Bedrock handles poorly. Ensure all textures are saved in standard format.
Future tools may automate mapping of simple JE mods (e.g., those using only datapacks and no mixins) to BE addons, but for any nontrivial mod, the developer must accept that – of features, performance, or platform coverage. The holy grail of a universal JAR→MCADDON converter remains a dream, blocked by the unyielding reality of two different game engines built from fundamentally different paradigms. This involves: Creator Tools: Build
Use Bridge’s built-in templates to paste the logic (like health points or movement speed) into the Bedrock-formatted JSON files. Step 3: Structuring the MCADDON
Before we begin, make sure you have the following:
At the heart of Minecraft lies a fundamental schism. On one side is (JE), the original, written in Java, using the Lightweight Java Game Library (LWJGL) for rendering, and operating on a tick-based, object-oriented architecture. On the other side is Bedrock Edition (BE), written in C++, using a proprietary renderer (originally based on DirectX and OpenGL ES), designed for cross-platform portability. A .jar file (Java Archive) is a compiled set of Java bytecode. An .mcaddon file is simply a renamed .zip archive containing a Bedrock behavior pack ( .bp ) and/or resource pack ( .rp ), structured with JSON, functions, and compiled shaders.
For complex mods, you must manually "port" the content. This involves: Creator Tools: Build, Design, and Edit Your Minecraft World
Using a tool like or Blockbench , you rebuild those features using Bedrock’s JSON system.
