Converting a .jar file (typically a Minecraft Java Edition mod) into a .mcaddon ( Bedrock Edition
) is a complex process because Java mods use compiled code that Bedrock cannot read. While there is no "one-click" universal converter, new tools like JavaBE from Stonebyte aim to bridge this gap by automating the conversion of assets and basic structures into Bedrock-ready files. Methods for Conversion
Automated Tools (JavaBE):The Stonebyte toolkit (formerly CodeNex) includes a tool called JavaBE. It automates the generation of Bedrock packs, sets up folder structures, and optimizes assets from .jar mods into .mcaddon format.
Visual Asset Porting (Blockbench):If the mod contains custom 3D models or items, you can use Blockbench to import Java models and export them as Bedrock geometry. Import the Java model via File > Add Java block/item model. Adjust pivot points to zero for Bedrock compatibility. Export the file as Bedrock geometry for use in your addon.
Resource Pack Conversion (Thunder):If the .jar is primarily a texture pack, use Thunder by GeyserMC. This GUI tool allows you to select a Java pack and convert it directly into a Bedrock .mcpack.
Manual Code Redesign:Because Java mods use APIs (like Forge or Fabric) that Bedrock does not support, complex logic must often be rewritten manually using Bedrock’s JSON-based components or the Scripting API. Structure of a Converted .mcaddon
A functional .mcaddon patched from a Java source typically requires two main components: how to convert jar to mcaddon patched
Behavior Pack: Contains the logic (JSON files) for how entities and blocks act. Resource Pack: Contains the textures, models, and sounds.
Manifest.json: Each pack needs a manifest.json file with unique UUIDs to be recognized by Minecraft. Limitations to Consider
Logic Gaps: Complex Java code (like custom AI or world-gen logic) cannot be automatically "patched" and usually requires a complete redesign in Bedrock.
Feature Parity: Some Java features, like specific Optifine shaders or complex GUI modifications, may not work even after conversion.
| What you want | Is it possible? | What to search instead |
|---|---|---|
| Convert Java mod to Bedrock | ❌ No direct way | “Recreate Java mod in Bedrock” |
| Convert Java world to Bedrock | ✅ Partially (no mods) | “Amulet Java to Bedrock” |
| Fix broken .mcaddon | ✅ Yes | “Fix mcaddon manifest” |
| Patch Java mod to newer version | ✅ Yes | “Port Forge mod to 1.20” |
If you give me the specific mod name and Bedrock version you’re targeting, I can give a more practical step-by-step. Converting a
Converting a file (typically a Java Edition mod) to an (Bedrock Edition) is a complex process because the two versions of Minecraft use entirely different programming languages: Java for Java Edition and C++ with JSON-based scripting for Bedrock.
There is no "one-click" tool to convert a full functional mod. However, you can convert the
(textures and models) using specialized tools or recreate the mod's logic manually. Phase 1: Converting Resource Assets (Textures & Models)
file contains textures or models, you can port these specific parts to Bedrock. Java to bedrock mod converter - CodeGive
this tutorial will guide you through the process of reimplementing a Java Edition mod's functionality for Bedrock Edition.
If the Java mod requires Forge or Fabric, you cannot convert it to a standalone
.mcaddon. Full stop. The only "patched" version is a visual skin. Summary for your search | What you want | Is it possible
If you truly need a Bedrock mod, search MCPEDL for a native .mcaddon first. Converting a .jar is a last resort for experienced developers, not casual players.
This is the most critical phase. You must translate the logic from Java to Bedrock formats.
| Feature | Java Format | Bedrock Format | Action Required |
| :--- | :--- | :--- | :--- |
| Items/Blocks | ModItems.register() (Java Code) | behavior_pack/items/*.json | Create JSON definition files manually. |
| Recipes | RecipeSerializer or .json | behavior_pack/recipes/*.json | Reformat JSON structure to Bedrock standard. |
| Entities | EntityType.Builder | behavior_pack/entities/*.json | Create entity JSON files and define behaviors. |
| Logic | Java Classes | scripts/main.js | Rewrite logic using the Minecraft Script API (Gametest). |
| Models | .java model files (Code-based) | .geo.json | Import Java model into Blockbench -> Export as Bedrock Geometry. |
From the extracted .jar:
.png) in assets/modid/textures/item/BP/textures/items/BP/items/:Example BP/items/my_item.json:
"format_version": "1.16.0",
"minecraft:item":
"description":
"identifier": "mymod:my_item",
"category": "items"
,
"components":
"minecraft:icon": "my_item_icon",
"minecraft:display_name":
"value": "My Ported Item"
Warning: Converting Java Edition (.jar) mods to Bedrock Edition (.mcaddon) isn’t a simple file rename. Java mods and Bedrock add-ons use completely different engines, APIs, and file formats. The steps below assume you want to recreate mod functionality for Bedrock as an add-on and package it as a patched .mcaddon (resource + behavior packs). This is a practical guide, not an automated converter.
