This guide will explain exactly what these files are, why you might need a Zip to Sb3 converter, and how to successfully convert your files to get them back into the Scratch editor. Understanding Scratch File Architecture
There are two primary ways to convert your ZIP archive back into a functional Scratch project file: using an online automated converter tool or doing it manually on your operating system. Method 1: Using an Online Zip to Sb3 Converter Zip To Sb3 Converter