I can write a short how-to story showing how to convert a .zip containing a Minecraft add-on into a .mcpack link. Here’s a concise step-by-step narrative.
: Ensure that when you open the original ZIP, the Minecraft files (textures, sounds, etc.) are in the root directory and not buried inside another subfolder, or the import will fail. Online Converters If you prefer a web-based tool, the Online Zip to Mcworld/Mcpack Converter how to convert zip to mcpack link