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Select all the individual items inside the folder ( project.json and all asset files). Right-click the selected items.
This comprehensive guide explains the mechanics behind these file types, why conversion errors happen, and how to successfully fix and convert your files. Understanding SB3 and ZIP Architecture convert zip to sb3 fix
Try uploading this file to the Scratch online editor. If it loads, your problem is solved. If it fails, proceed to the repair methods below. Method 2: Fixing the "Compressed Folder" Structure Error
Before modifying the file, ensure your operating system displays file extensions. This public link is valid for 7 days
The most common reason a converted .sb3 file fails to load is a compression error called . When you compress a folder, your archiving software creates a parent folder inside the ZIP file. Scratch cannot read this structure; it expects the asset files to live at the absolute root of the archive. Follow these steps to package the archive correctly: 1. Extract the Original ZIP
cd path\to\your\project_folder Compress-Archive -Path * -DestinationPath fixed.sb3 Can’t copy the link right now
Here is how to fix the conversion based on your situation.
What (Windows, Mac, Chromebook) are you using to fix it?
Right-click your ZIP file and choose "Extract All."