What is an FSB file?
An .FSB file is usually an FMOD Sound Bank created by Firelight Technologies. Game developers use these files to package multiple audio tracks into a single container. Video games use the FMOD Sound System to play music, dialogue, and sound effects from these files. In rare cases, an .FSB file can also be a Form•Z Compiled Script used by AutoDesSys 3D modeling software.
How to open FSB files?
Standard media players cannot normally open .FSB files. To play or view the contents of an .FSB file, you need specialized game audio software. Developers use FMOD Studio to build and manage these files. If you want to extract the audio, you need community tools like FSB Extractor or vgmstream.
Best practices and troubleshooting
If you want to play the audio from an .FSB file on your phone or computer, you should convert it. We recommend using convert.guru to convert your .FSB files into standard audio formats like .MP3, .WAV, or .OGG. If your game crashes because of a modified .FSB file, restore the original file from a backup. Game engines require specific audio compression settings inside the bank to work correctly.
Software and tools
Professional audio engineers use FMOD Studio to create .FSB files. Game modders and data miners often use command-line tools and plugins like vgmstream to decode the internal audio data.
Summary
Because an .FSB file can contain different audio formats or even script data, viewer.online/fsb can analyze .FSB files to identify the exact format and creator software. You can inspect the file structure, extract readable text, and check whether an online preview is available. Ultimately, viewer.online/fsb is useful for identifying, inspecting, and understanding .FSB files without installing software or dealing with compatibility problems.