.SB File Extension

Scratch Project File

Developer MIT
4.3  |  448 Votes

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.

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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 SB files

Small Basic Source Code File

Developer Microsoft
3.0  |  35 Votes

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


Slax Bundle

Developer Slax
2.6  |  24 Votes

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


Signed Byte Audio File

Developer N/A
2.4  |  25 Votes

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

Frostbite Engine Superbundle

Developer DICE
1.0  |  1 Vote

An SB file may also be a game data file used by a video game developed with the Frostbite Engine. It contains multiple collections of game assets (such as 3D models and textures), scripts, and metadata. SB files are referred to as superbundles, and the collections they contain are referred to as bundles.

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The Frostbite Engine is a video game engine used to develop many popular video games, including games in the Battlefield, Mass Effect, Need for Speed, and Dragon Age series. Many games developed using Frostbite contain game data packaged in a series of SB files.

Each SB file contains various collections of game data, which may be used within a specific level or within the game as a whole. For example, Battlefield 3 includes an SB file named MP_Subway.sb, which contains only assets used in the game's Operation Metro level. It also includes an SB file named Weapons.sb, which contains weapon-related data used to load and show weapons throughout the game.

While most players will never encounter a game's SB files, some game modders enjoy extracting, editing, and repackaging the assets SB files contain. For this purpose, modders have created various utilities that allow them to manage, extract data from, and package data within SB files.

How to open an SB file

You can use Frosty Editor (Windows) to extract, view, and edit the assets an SB file contains. You can also use Nicknine The Eagle's Frostbite Scripts package to extract the assets an SB file contains.

Programs that open SB files

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