For a thorough conversion that replicates functionality rather than just visuals, a structured manual approach is required. Step 1: Extract the Java File
Minecraft Bedrock Edition and Java Edition are built on entirely different coding frameworks. Java Edition uses .jar files for mods, while Bedrock Edition utilizes .mcaddon , .mcpack , and .mcworld formats for add-ons.
If you proceed with a manual conversion, join the community. Share the original JAR's features, and they will help you write the correct JSON behavior files. Remember: You are not converting code; you are copying ideas and art , then rewriting the entire engine logic.
Once your resource and behavior packs are finished and fully integrated: Convert Jar To Mcaddon
If you already have your behavior and resource packs as folders (or as .mcpack files), creating an MCADDON file is straightforward.
PackConverter is a library for converting Java Edition resource packs to Bedrock Edition. It's a Node.js-based tool that handles texture conversion and pack restructuring. This tool is ideal if you only need to convert resource pack content (textures, models, sounds) rather than full mod logic.
Rename your .jar to .zip and extract it. If you proceed with a manual conversion, join the community
Create a folder with:
Several tools have emerged to help with JAR to MCADDON conversion. Here's a breakdown of the most popular options.
A JAR (Java ARchive) file is a package format used to distribute Java applications, including Minecraft Java Edition mods. These files contain compiled Java bytecode ( .class files), assets like textures and sounds, and configuration files. JAR files typically run on the Java Virtual Machine (JVM) and rely on the Java Edition's Forge or Fabric modding frameworks. Once your resource and behavior packs are finished
Every Bedrock pack requires a manifest.json file at its root to tell Minecraft how to load it. Create a text file, paste the following template, and save it as manifest.json :
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Before converting and distributing any mod content, check the original creator's license and permissions. Most mods have specific terms regarding redistribution. Converted content should not be sold or paywalled unless explicitly permitted by the original license.