John the Ripper
A fast password cracker.
Overview
John the Ripper is a fast password cracker, currently available for many flavors of Unix, Windows, DOS, BeOS, and OpenVMS. Its primary purpose is to detect weak Unix passwords. Besides several crypt(3) password hash types most commonly found on various Unix systems, supported out of the box are Kerberos/AFS and Windows LM hashes, plus a number of other hashes and ciphers in the community-enhanced version.
✨ Key Features
- Supports hundreds of hash and cipher types
- Autodetects hash types
- Customizable cracking modes
- Cross-platform support
- Pro version with additional features and support
🎯 Key Differentiators
- Ease of use
- Automatic hash type detection
Unique Value: Provides a powerful and flexible tool for password cracking and auditing.
🎯 Use Cases (3)
✅ Best For
- Testing the strength of passwords in a system
- Recovering lost passwords
💡 Check With Vendor
Verify these considerations match your specific requirements:
- Online password cracking (it's an offline tool)
- Cracking strong, long passwords (can be very time-consuming)
🏆 Alternatives
Generally considered easier to use for beginners than Hashcat.
💻 Platforms
✅ Offline Mode Available
🛟 Support Options
- ✓ Email Support
- ✓ Dedicated Support (Pro tier)
💰 Pricing
Free tier: The core version is free and open-source.
🔄 Similar Tools in Penetration Testing Tools
Metasploit
An open-source framework for developing, testing, and executing exploit code against a remote target...
Burp Suite
An integrated platform for performing security testing of web applications....
Nmap
A free and open-source utility for network discovery and security auditing....
Wireshark
A free and open-source packet analyzer used for network troubleshooting and analysis....
Nessus
A proprietary vulnerability scanner developed by Tenable, Inc....
Acunetix
An automated web application security testing tool that audits your web applications by checking for...