"format_version": "1.20.0", "minecraft:item": "description": "identifier": "myaddon:ruby_sword", "category": "Equipment" , "components": "minecraft:icon": "texture": "ruby_sword" , "minecraft:damage": "value": 7 , "minecraft:on_hurt_entity": "event": "myaddon:set_on_fire" , "events": "myaddon:set_on_fire": "run_command": "command": ["effect @s[r=2] instant_damage 1 0"], "target": "target"
The short answer is: You cannot run a software script that instantly turns Java bytecode into Bedrock scripts. Instead, conversion requires manual rewriting of game logic, assets, and code structures. Convert Jar To Mcaddon
public class RubySword extends SwordItem public RubySword() super(ToolMaterials.DIAMOND, 3, -2.4F); @Override public boolean hurtEnemy(ItemStack stack, LivingEntity target, LivingEntity attacker) target.setSecondsOnFire(5); // Set target on fire return super.hurtEnemy(stack, target, attacker); "format_version": "1
This 2,500+ word guide will walk you through exactly what is possible, what isn't, and the step-by-step process to manually port a Java .jar mod into a Bedrock .mcaddon file. Before attempting a conversion, you must understand why these formats are not interchangeable. Before attempting a conversion, you must understand why
However, the cross-platform king of today is (Windows 10/11, iOS, Android, Xbox, PlayStation, Switch). Bedrock does not use .jar files. Instead, it uses .mcaddon (Addon) or .mcpack (Behavior/Resource pack).
Last Updated: May 2026 Difficulty Level: Intermediate to Advanced Introduction: Why Would You Convert JAR to McAddon? If you have been a part of the Minecraft community for a while, you know the golden era of Java Edition modding. Thousands of incredible mods exist in the .jar format—from industrial machinery (BuildCraft) to magical wands (Thaumcraft) and new dimensions (The Aether).