Convert Zip To Sb3 Jun 2026

: Select all the individual project files, right-click, and choose Send to -> Compressed (zipped) folder (Windows) or Rename the extension Find your new Change the extension from

How to Convert ZIP to SB3: A Complete Step-by-Step Guide Converting a ZIP file to an SB3 file is a common task for Scratch developers, educators, and students. Scratch 3.0 saves projects using the .sb3 file extension. However, an SB3 file is actually just a compressed archive containing project assets like JSON code, costumes, and sounds.

: Right-click, select "Send to" > "Compressed (zipped) folder". macOS : Right-click, select "Compress [X] items".

| | Don’t | |--------------------------------|------------------------------------------------| | Rename only the extension | Extract the ZIP and try to rename the folder | | Keep internal file structure | Change the file contents without knowing the SB3 schema | | Use plain rename tools | Use “converters” that claim to change ZIP to SB3 – they just rename | convert zip to sb3

Note: Avoid uploading projects containing private or sensitive information to public conversion websites. How to Open and Test Your New SB3 File

If you have a correctly structured ZIP file (with project.json at the root), follow these steps:

If a Scratch project was actively downloading and interrupted, the ZIP archive may be corrupted. Try redownloading the source ZIP file before changing the extension again. : Select all the individual project files, right-click,

Open the folder containing your Scratch project assets ( project.json , sounds, images).

: The ZIP file must contain a file named precisely project.json [1]. This file tells Scratch how to assemble the project.

: Right-click the file, select "Rename," and change the extension from .zip to .sb3 . : Right-click, select "Send to" > "Compressed (zipped)

This is actually more common. To extract a Scratch project's media:

Browse your local storage, select your newly created .sb3 file, and click .