: Change the resulting file extension from .zip to .sb3 . If you don't see the extension, ensure "File name extensions" is checked in your system's view settings. Troubleshooting Common Errors
Check that "File name extensions" are on and you didn't name it file.sb3.zip . Ensure project.json is not hidden inside a sub-folder. Assets missing convert zip to sb3 fix
Change the resulting Archive.zip to ProjectName.sb3 . Common "Convert ZIP to SB3" Fixes : Change the resulting file extension from
Turn on "File name extensions" in your OS settings to ensure you aren't double-tagging the file. convert zip to sb3 fix
Go to the Scratch Editor, click , and select your new SB3 file. How to Fix Common Conversion Errors