Java .jar files are compressed compilation packages. You can open them using standard archive software. Right-click your target .jar file. Select an archive tool like or WinRAR .
Ensure your mod is compatible with Bedrock Edition. Some mods are specifically designed for Java Edition and might not work or convert directly. .jar to .mcpack
If your goal is to convert for Bedrock clients, but to let Bedrock players join a Java server: Select an archive tool like or WinRAR
Because and Bedrock Edition (.mcpack) structure data differently, a direct rename will break the pack. You must first extract the Java container, adapt the metadata, and repackage it. Key Differences: Java .jar vs. Bedrock .mcpack Java Archive (.jar) Bedrock Pack (.mcpack) Primary Platform PC (Java Edition) Mobile, Console, Windows 10/11 File Structure Deep nested folders ( assets/minecraft/... ) Flat root folders ( textures/... ) Manifest File pack.mcmeta (JSON format) manifest.json (UUID strict) Installation Manual drop into resourcepacks One-click auto-import Step-by-Step Conversion Process Step 1: Extract the Asset Data from the .jar File If your goal is to convert for Bedrock