Congratulations. You have just converted a Zip to an SB3. Double-click the file, and it should launch in the Scratch Offline Editor.
Use unzip -l file.zip to list contents. If project.json is present at top level, renaming is safe. convert zip to sb3
Error: “This project is corrupted.”
Fix: Open project.json in a text editor. Look for missing commas, brackets, or unescaped characters. Validate at JSONLint.com. Congratulations
Before we dive into the “how,” it’s crucial to understand the technical relationship between these two formats. Use unzip -l file