.SB File Extension

File Type 1

Scratch Project File

Developer MIT
4.3  |  420 Votes
Category Developer Files
Format Binary

What is an SB file?

An SB file is a project created by Scratch, an application development platform created at MIT (the Massachusetts Institute of Technology). It contains all the project information including any imported media such as sprites, sounds, and images. SB files were replaced by .SB2 files, which are saved in the Scratch 2.0 format.

More Information
Screenshot of a .sb file in MIT Scratch 2
SB file open in MIT Scratch 2

The SB file is the main file associated with MIT Scratch 1. The file is saved in the Scratch file format, which consists of code written in the Scratch programming language. Scratch project files may be used to create small games and other types of interactive programs.

Scratch was developed by the Media Lab at MIT and is primarily used by teachers and students to create animations and games. The program is available online or as an offline editor for Windows, macOS, and Linux.

NOTE: A Scratch project may be compiled as a Java archive (.JAR file), which can be run in a web browser.

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Programs that open or reference SB files

Updated May 20, 2020
File Type 2

Small Basic Source Code File

Developer Microsoft
3.0  |  35 Votes
Category Developer Files
Format Text

What is an SB file?

Text source code file created using the Microsoft Small Basic programming language; contains Small Basic program code; can be compiled into an executable .EXE file using Small Basic; commonly used to create simple games.

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By providing a simple syntax and graphical user interface, Small Basic helps introduce students to programming in educational environments. Small Basic programs may be published to the Web and played using the Microsoft Silverlight player.

Programs that open SB files

Updated March 22, 2010
File Type 3

Slax Bundle

Developer Slax
2.6  |  24 Votes
Category System Files
Format Binary

What is an SB file?

Software package used by Slax, a portable variant of the Linux OS; can store a software application, wallpapers, a game, or any other bundle intended to be installed on a Slax computer; may be pre-installed with Slax or may be a downloaded module.

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If you download a Slax module from the Slax website, you can copy the SB file to the /​slax/​modules/​ directory and it will be read automatically during the next system boot.

Programs that open or reference SB files

Updated January 2, 2013
File Type 4

Signed Byte Audio File

Developer N/A
2.4  |  25 Votes
Category Audio Files
Format N/A

What is an SB file?

Raw, signed 8-bit (1 byte) audio data encoded using Pulse Code Modulation (PCM), a method of encoding analog audio signals in digital form

Programs that open SB files

Included with OS
Updated 2006

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