Click the "Select File" button above, and choose your SFPACK file.
You’ll see a preview, if available.
Click the "Convert file to..." button to extract text information.
Convert SFPACK to another file type
To convert SFPACK SoundFonts to another format, you need SFPack or other Compressed software.
Convert a file to SFPACK
To convert other file formats to the "Audio Sample Archive" file type, you need software like SFPack or a similar tool.
About SFPACK files
A .sfpack file is a legacy compressed archive specifically designed to reduce the size of SF2 (SoundFont 2) audio banks. Popularized in the late 1990s and early 2000s to accommodate slow internet speeds, this format functions similarly to a ZIP file but uses algorithms optimized for audio sample data.
For modern music producers, .sfpack files are a significant bottleneck. They are proprietary archives that cannot be opened by standard unzipping tools like 7-Zip or WinRAR. Furthermore, modern Digital Audio Workstations (DAWs) like FL Studio or Ableton Live cannot import them directly. To use the sounds inside, the file must be decompressed back into the standard SF2 format. This typically requires locating and running the discontinued, Windows-only "SFPack" utility, which often faces compatibility issues on modern operating systems (Windows 10/11, macOS, and Linux).
Best Conversion Targets:
To .SF2: The primary goal. Restores the file to a usable SoundFont that can be loaded into samplers like Plogue sforzando or Kontakt.
To .WAV/.FLAC: Best for extracting the raw audio samples for individual editing or use in drum racks.
To .SFZ: Ideal for converting the instrument mapping into a modern, open-source format.
Use Convert.Guru to open and convert your SFPACK file.
If you want to convert SFPACK file to SF2, MP3, WAV, AAC, FLAC, OGG, WMA, M4A, AIFF, OPUS, ALAC or APE, you can use SFPack or similar software from the "SoundFont Compression Archive" category. In the File menu, look for Save As… or Export….
To convert MIDI, AAC, TTA, AU, WV, DTS, MID, FLAC, RA, MP3, PCM or WAV files to SFPACK, try SFPack or another comparable tool in the "SoundFont Compression Archive" category.
The SFPACK Converter Story
The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our SFPACK converter.