Pack and unpack game archives.
A browser conversion of your SF Archive Toolkit V4. Offline-ready after the page loads. Files remain on your computer.
Archives to unpack
Add multiple .SFF or .MRG archives, or select a folder containing archives.
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Drag & drop archives hereor click to browse .SFF and .MRG filesNo archives selected yet
Extraction
One folder per archive, downloaded together as a ZIP file. Automatically detects plaintext clan archives and legacy encoded archives.
Ready to unpack.
ACTIVITY LOG
Ready. Add archives to get started.
For very large archives, ZIP generation can require considerable browser memory. This archive format is sample-tested, not guaranteed for every game version.
Folders to pack
Select an extracted folder, or a parent folder with multiple extracted archive subfolders.
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Select extracted foldersClick to choose a folder (Chrome or Edge recommended)No folders selected yet
Archive settings
Each selected folder becomes one packed archive, with selectable plaintext or legacy encoding. For clan_001.sff, choose Plain (or Auto).
Ready to pack.
ACTIVITY LOG
Ready. Choose an extracted folder.
Archive filenames are encoded as Korean CP949. The packer uses the original format's 32-bit index and never changes source files. Back up the original game archive before replacing it.
SF Archive Toolkit · Client-side SFF / MRG processing · No uploads, accounts or backend