: Note that while you can turn a ZIP into an SB3, older Scratch 2.0 ( .sb2 ) or 1.4 ( .sb ) files have different internal structures and cannot be converted by simply renaming them.
Remember: . The only difference is the name on the tin. convert zip to sb3
But here is the open secret of the Scratch ecosystem: : Note that while you can turn a
: On Windows, select all the internal files, right-click, and choose Send to > Compressed (zipped) folder . Do not zip the parent folder itself; zip the Rename Extension : Right-click the resulting file and rename it to change the extension to But here is the open secret of the
: Right-click the file and select Rename . Change .zip to .sb3 . (If you don't see the extension, enable "File name extensions" in the View tab of File Explorer).
is fundamentally a change of file extension rather than a data transformation . At its core, an —the native format for Scratch 3.0 projects—is actually a renamed ZIP archive containing specific project assets and a JSON manifest. 1. Understanding the File Structure