| Tool | Free | Overwrite passes | SSD-aware | |------|------|----------------|-----------| | DBAN (Darik’s Boot and Nuke) | Yes | Up to 8 | No (use for HDD only) | | Eraser | Yes | Customizable | No | | CCleaner (Drive Wiper) | Freemium | 1-7 passes | No | | Active@ KillDisk | Freemium | Up to 3 passes | Limited |