Scalpel vs John the Ripper: Which Firmware Analysis Tool tool is Best in 2025?

Scalpel is an open-source, high-performance file carving utility pre-installed on Kali Linux at /usr/bin/scalpel, designed for recovering deleted or hidden files from disk images and raw block devices. Developed by Golden G. Richard III as an enhanced rewrite of Foremost 0.69, Scalpel leverages header and footer signatures to extract files, bypassing file system metadata. Supporting formats like JPEG, PDF, MP3, and DOC, it’s a critical tool for digital forensic investigators, incident responders, and ethical hackers conducting cyber forensic investigations and file recovery. Scalpel’s multithreading, GPU acceleration, and regular expression support make it exceptionally fast and versatile.

John the Ripper is a premier open-source password cracker pre-installed in Kali Linux (version 1.9.0), tailored for security administrators and penetration testers. This password-cracking tool for cybersecurity audits targets weak credentials using wordlists, brute-force, and rule-based attacks, making it a leading password security testing tool for ethical hacking. With a 77.63 MB footprint and support for hashes like SHA512crypt and MD5, John empowers users to strengthen system security through efficient password audits.