Note: This works best for texture packs and simple models. Complex magic systems or tech mods usually break during this process.
For behavior beyond JSON (e.g., custom GUIs, timers, AI), you write JavaScript. Use the Gametest Framework . Convert Jar To Mcaddon
Here is everything you need to know about converting JAR to MCADDON. Note: This works best for texture packs and simple models
Right-click and choose (or use tools like WinRAR/7-Zip). Convert Jar To Mcaddon