Some tools can extract the assets (textures, sounds, and models) from a .jar and repackage them into an .mcpack . These are mostly for Resource Packs , not complex logic mods.
To convert a Minecraft Java .jar file to a Bedrock .mcpack file, you must first convert it to a .zip format and then adjust it for Bedrock compatibility. Method 1: Using Automated Online Converters convert jar to mcpack
Note: If you don't see the ".zip" extension, enable "File name extensions" in your File Explorer View settings . 🚀 Recommended Automated Tools Some tools can extract the assets (textures, sounds,