Scratch 3.0 Project
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What is an SB3 file?
An SB3 file is a project created with Scratch 3.0, a program development platform created at the Massachusetts Institute of Technology (MIT). It contains a program written in the Scratch programming language, which is used for creating stories, small games, and animations. SB3 files replaced Scratch .SB2 files.
SB3 files are saved in the Scratch 3.0 file format. SB2 files are saved in the Scratch 2.0 file format, and .SB files are saved in the original Scratch file format. Each SB3 file is a .ZIP archive that stores a development project's contents, including sprites, scripts, costumes, and sound files.
How to create an SB3 file
Typically, developers create SB3 files by saving projects to their computer from MIT's online Scratch Editor, which can be accessed from https://scratch.mit.edu/. To save a Scratch Editor project as an SB3 file:
- Open your project in the Scratch Editor.
- Select File → Save to your computer.
- Name your file, select a save location, and click Save.
Developers can also create SB3 files in MIT's offline Scratch editors, which are available for Windows, macOS, Android, and ChromeOS devices.
How to open an SB3 file
You can open an SB3 file with Scratch Desktop (Windows, Mac), Scratch for Android and ChromeOS, or MIT's online Scratch Editor (Web). To open an SB3 file in the online Scratch Editor:
- Open the Scratch Editor in your web browser.
- Select File → Load from your computer.
- Navigate to and open your SB3 file.
How to convert an SB3 file
You can use TurboWarp Packager to convert an SB3 file to an executable format, so you can run the program it contains on a PC or in a web browser. TurboWarp Packager can export SB3 files in the following formats: