Convert Zip To Sb3 [top] Site

Click and download the processed file back to your computer.

If you prefer using dedicated compression software, 7-Zip (Windows) or WinRAR can easily handle this. Highlight all the internal assets of your project.

If you rename your file to project.sb3 but it still displays a zipper icon and opens as a folder, your operating system is hiding the real file extension. It is likely named project.sb3.zip .

The Ultimate Guide to Converting ZIP to SB3: Bring Your Scratch Projects Back to Life convert zip to sb3

If you zipped the folder containing the assets rather than the assets themselves, Scratch will fail to read it. Re-zip by selecting only the inner contents.

Mac users can use the native Finder utility, but need to be careful with hidden system files. Open the folder containing your Scratch assets.

The native file format for Scratch 3.0 projects. Click and download the processed file back to your computer

Save as convert.py and run in the folder with your ZIPs.

Do not compress the parent folder. Right-click the selected files inside the folder.

What are you currently using (Windows, Mac, Chromebook)? Where did you originally get the ZIP file from? If you rename your file to project

Once the conversion is complete, you should verify that the file loads correctly into the Scratch editor.

Find your .zip file and rename it, changing the file extension from .zip to .sb3 . On Windows, you might need to enable "File name extensions" in File Explorer first.

If you have a corrupted project that won't open in Scratch, or if you want to extract all the images and sounds from a game you like (with permission), converting SB3 to ZIP is the only way. You can unzip it, replace a costume in the assets folder, and then re-zip it back to SB3.

If you manually edited project.json , a single missing comma, misplaced quotation mark, or unclosed curly bracket will break the entire project. Paste your raw text into a free online validator like to scan for syntax errors before re-zipping. 2. Missing MD5 References