fatcat
FAT filesystem explore, extract, repair, and forensic tool
Platforms: Linux · Last verified September 6, 2026
fatcat is a tool to explore, extract, repair and forensic FAT filesystem. Its features: - Get information about FAT filesystem; - Explore FAT file system; - Read file or extract directories; - Retrieve file & directories that are deleted; - Backup & restore the FAT tables; - Hack the FAT table by writing on it; - Hack the entries by changing clusters and file sizes; - Perform a search for orphaned files & directories; - Compare and merge the FAT tables; - Repair unallocated directories & files; - Supports FAT12, FAT16 and FAT32.
Only use this tool against systems you own or are explicitly authorized to test — see the disclaimer.
Getting started
Install on Kali Linux with `sudo apt install fatcat`. See the official Kali tool page and upstream homepage linked above for full usage and configuration details.
