: If you cannot see the .zip or .sb3 letters, you must enable file extensions in your computer's operating system settings first.
Go to the Scratch Editor, click , and select your new SB3 file. How to Fix Common Conversion Errors convert zip to sb3 fix
If Scratch displays a "Could not load project" or "Project archive corrupt" error after conversion, use these troubleshooting steps to fix the issue. 1. Missing File Extensions in Windows : If you cannot see the
Large uncompressed sound files or massive high-resolution backdrops can bloat the project.json file, increasing the likelihood of export errors. Ensure that project
Unzip your file and look inside. Ensure that project.json and all asset folders are sitting in the root directory of the folder. Select the individual files themselves (not the parent folder), right-click, and compress them into a new ZIP archive. Then, rename that archive to .sb3 . Fix 2: Broken or Unsupported Asset Formats
Press Enter. A warning will appear asking if you are sure you want to change it. Click . Open Finder and locate your ZIP file.
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