Create manifest.json files for both resource and behavior packs, ensuring you generate unique UUIDs.
Bedrock updates its JSON formats frequently. Ensure the format_version string at the top of your behavior and resource JSON files matches the target version of Minecraft Bedrock you are running.
: Use sites like ModifiedCommand's Texture Converter or ConvertMCPack to transform the Java textures into Bedrock-compatible .mcpack files.
Converting a .jar file to a .mcaddon file isn't just about changing the file extension; it requires reformatting the content to be compatible with the Bedrock engine. Here is the ultimate guide to the best methods for converting JAR files to MCADDON. Understanding the Difference: JAR vs. MCADDON how to convert jar to mcaddon best
If you are currently working on a specific mod conversion, let me know: What is the of the Java mod?
Import Java block/item models into Blockbench. Go to File > Convert Project and select Bedrock Block or Bedrock Entity . Fix any broken bounding boxes, then export the geometry file. Step 3: Map the Logic to JSON Components (Behavior Pack)
Minecraft players often find amazing mods, shaders, or resource packs in .jar format, primarily designed for Java Edition. However, if you are playing on Bedrock Edition (Windows 10/11, Mobile, Xbox, PlayStation, Nintendo Switch), you need these files in .mcaddon or .mcpack format to install them. Create manifest
| Tool Name / Creator | Primary Function & Best Use | Key Features | Status & Cost | Important Limitation | | :--- | :--- | :--- | :--- | :--- | | (by CodeNex) | Desktop tool for Windows to automate Java mod → Bedrock add-on conversion | One-click conversion, automatic pack generation, entity/model/animation conversion, script bridge | Active development, costs $2.50 one-time (or $10 on Whop) | Not every mod can be fully converted yet; complex mods will need manual cleanup | | PortKit (by anchapin) | AI-powered online platform (modporter.ai) for large-scale conversion | Reports 67%+ coverage for assets; converts textures, models, recipes, entities | Development in progress; requires API keys for AI engine (CrewAI + LangChain) | MVP is initially focused on simple block conversions; advanced logic may be limited | | PackConverter & Thunder (by GeyserMC) | Java library and GUI app for converting Java Resource Packs (textures, sounds) to Bedrock | Automates conversion of visual and audio assets, not logic or custom items | Stable for specific task | Only for resource packs. Does not convert mod behavior/logic. Expect some bugs and WIP | | MCPE-Tool / mcpy-compiler | CLI tools for streamlining Bedrock add-on development ; not direct converters | Project init, real-time file sync, packaging .mcaddon files, auto manifest generation | Stable, free | These are developer tools , not .jar → .mcaddon converters. They help build the final product after conversion. |
Create a new project in and select Extension/Add-on .
This is the most difficult part. Java mods use or Fabric APIs. Bedrock uses Add-on Manifests and JavaScript (GameTest Framework) . : Use sites like ModifiedCommand's Texture Converter or
You must create a Behavior Pack . This defines how an entity moves, what it drops, and its health.
textures can be moved directly, though you may need to resize them to powers of two (e.g., 16x16, 64x64). Blockbench
If you are dealing with a model-based mod, is the industry standard for manual conversion.
Converting a Java Edition mod (.jar) to a Bedrock Edition addon (.mcaddon) is a complex process because the two versions of Minecraft use entirely different coding languages (Java vs. C++) and engine architectures.