Ophcrack is a free Windows password cracker based on rainbow tables. It is a very efficient implementation of rainbow tables done by the inventors of the method. It comes with a Graphical User Interface and runs on multiple platforms.


  • » Runs on Windows, Linux/Unix, Mac OS X, …
  • » Cracks LM and NTLM hashes.
  • » Free tables available for Windows XP and Vista.
  • » Brute-force module for simple passwords.
  • » Audit mode and CSV export.
  • » Real-time graphs to analyze the passwords.
  • » LiveCD available to simplify the cracking.
  • » Loads hashes from encrypted SAM recovered from a Windows partition, Vista included.
  • » Free and open source software (GPL).

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