is a utility designed to detect and repair physical bad sectors on hard disk drives (HDDs) using a "magnetic reversal" algorithm. While the developer, Dmitriy Primochenko, claims the tool can restore unreadable data without affecting existing files, modern data recovery experts often advise caution, as running such tools on a failing drive can sometimes worsen the damage. Core Features and Functionality

: Claims to be "hardware independent" and does not destroy data during the repair process.

: Includes a "Prescan" mode for fast detection and a full scan-and-repair mode.