This is the only verified way to ensure your add-on works without crashing. You are essentially rebuilding the mod for Bedrock Edition.
Java mods often rely on Forge/Fabric, mixins, and Java APIs. In Bedrock you have two ways:
To make Minecraft recognize your addon, you need a manifest.json in both folders. Open VS Code and create these files. how+to+convert+jar+to+mcaddon+verified
In resource_pack/manifest.json:
"format_version": 2,
"header":
"name": "Converted Java Pack - Resources",
"description": "Converted from original JAR mod",
"uuid": "[GENERATE A UNIQUE UUID HERE]",
"version": [1, 0, 0],
"min_engine_version": [1, 20, 0]
,
"modules": [
"type": "resources",
"uuid": "[GENERATE ANOTHER UNIQUE UUID HERE]",
"version": [1, 0, 0]
]
In behavior_pack/manifest.json:
"format_version": 2,
"header":
"name": "Converted Java Pack - Behaviors",
"description": "Converted from original JAR mod",
"uuid": "[GENERATE A THIRD UNIQUE UUID HERE]",
"version": [1, 0, 0],
"min_engine_version": [1, 20, 0]
,
"modules": [
"type": "data",
"uuid": "[GENERATE A FOURTH UNIQUE UUID HERE]",
"version": [1, 0, 0]
],
"dependencies": [
"uuid": "[PASTE THE RESOURCE PACK UUID FROM HEADER HERE]",
"version": [1, 0, 0]
]
Verification Tip: Each UUID must be unique. Using the same UUID twice breaks the "verified" status.
Even advanced modders face issues. Here is how to fix the most common verification errors: This is the only verified way to ensure
| Error Message | Cause | Solution |
| :--- | :--- | :--- |
| "Pack has no manifest" | Missing manifest.json or wrong case (Manifest.json) | Ensure file is exactly manifest.json |
| "Duplicate UUID" | Copied/pasted same UUID twice | Generate fresh UUIDs for every single field |
| "Invalid module type" | Used "java" instead of "resources" or "data" | Change to exactly "resources" or "data" |
| "Missing dependency" | Behavior pack missing resource pack UUID | Add the dependencies array in behavior_pack manifest |
| "Texture not found" | Java used .png in subfolder Bedrock doesn't read | Flatten structure or update terrain_texture.json |