A ".mcpack" file is essentially a renamed ZIP archive containing the necessary files for Minecraft Bedrock Edition to recognize a resource or behavior pack. To "convert" a PNG to an .mcpack, you are usually trying to create a Skin Pack or a Resource Pack (like a custom texture). How to Manually Convert PNG to MCPack
For users looking for a one-click solution, these platforms specialize in specific conversion types: png to mcpack converter
Packaging: The PNG and the JSON files are placed in a folder, zipped, and then the file extension is manually renamed from .zip to .mcpack. Popular Online Converters Texture Upscalers: You give a low-res 16x16 PNG,
For those playing on mobile (Android or iOS), there are dedicated apps that function as all-in-one converters: models/ (optional) fonts/ (optional)
For a streamlined experience, these specialized tools are highly rated for their ease of use: