With this pack you don't need to download the full FMod studio or API, all the tools have been tested and are working in Windows 7 and with Wine (under Linux Mint 18.1)
decfsb.exe => To decode encrypted FSB
fsb_aud_extr.exe =>Tool created by id-daemon to convert the fsb to wav, is great for CELT and ogg vorbis audios
fsb5_split.exe => Searchs for multiples FSB inside a big file (ex: Unity. resource files) and extracts them (not decode)
fsbankexcl.exe ==>The tool from FMOd to convert FSB and wav to other formats or reduce/increase bitrates
fsbext.exe ==>Tool created by Aluigi to extract FSB's, it created list, save the structures, and two types of encryption
FsbExtractor.exe =>Aeazy FSB extractor, Gui mode, with this tool you can see if some MP3 inside FSB have loops, like the game OCTODAD
guessfsb.exe =>Guess what

tw2unfsb.exe =>To convert the CELT audio from The Witcher 2