Zip To Sb3 Converter

// Write out as new SB3 (which is still a zip) const newSb3 = new AdmZip(); entries.forEach(entry => if (!entry.entryName.includes('MACOSX')) newSb3.addFile(entry.entryName, entry.getData());

To convert back (SB3 to zip), just rename game.sb3 to game.zip and extract. Zip To Sb3 Converter