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.

Jul 23, 2025 · Ophcrack is a free, open-source tool that can be used to recover lost Windows passwords. It works by using pre-computed tables to crack password hashes, allowing users to …

Ophcrack ... Ophcrack is a free open-source (GPL licensed) program that cracks Windows log-in passwords by using LM hashes through rainbow tables.

Sep 11, 2019 · Ophcrack is a Windows password cracker based on a time-memory trade-off using rainbow tables. This is a new variant of Hellman's original trade-off, with better performance. It …

This howto assumes you have already installed ophcrack 3 and downloaded the ophcrack rainbow tables you want to use. It also assumes that you understand how to use third party tools like pwdump …

This is a full guide on how to download and use Ophcrack Windows 10/11 USB to reset password step by step.

Dec 9, 2025 · Ophcrack is a Windows password cracker based on a time-memory trade-off using rainbow tables. This is a new variant of Hellman’s original trade-off, with better performance.

Feb 5, 2025 · Ophcrack is a free, open-source program that uses rainbow tables to crack Windows log-in passwords. It can import hashes in a variety of formats and can even dump them from SAM files of …

Ophcrack is a Windows password cracker based on a time-memory trade-off using rainbow tables. This is a variant of Hellman's original trade-off, with better performance. It recovers 99.9% of …

Learn how to use Ophcrack, a powerful and beginner-friendly password recovery tool for Windows. This video shows you how to download, burn, boot, and recover...