If you are using a Chromebook, tablet, or school computer with restricted settings, you might not be able to change file extensions manually. Online converters solve this. Navigate to a trusted online file conversion website. Upload your target .zip archive. Select as the desired output format. Click the Convert button.

Note: If Windows is not showing you the .zip part, open File Explorer, go to the "View" tab, and check the box "File name extensions."

Once the conversion is complete, your computer might still not recognize the file because you do not have a default app assigned to it. Follow these steps to use it: Option A: The Scratch Online Editor