Cairo Secure Eraser vs ZERDAVA File Shredder

Cairo Secure Eraser is a free Windows utility that overwrites selected files and folders, making recovery more difficult than after ordinary deletion. It offers four erasure choices: Quick uses one pass, Standard uses three, Secure uses seven passes following DoD 5220.22-M, and Gutmann uses 35 passes. Multiple files and folders can be selected together. The program shows progress, completion reports, and detailed operation logs. CairoSoftware says processing happens locally without an internet connection, with no files or deletion data sent to external servers. The listed release is version 1.0.0 from January 9, 2026, and its download is 50.3 MB. Minimum requirements are 2 GB RAM, 50 MB free storage, and a dual-core 1.5 GHz processor. Downloading requires a free account. Protected or system-related items may require administrator permissions. Email support is available in English and Arabic.

ZERDAVA File Shredder securely erases files, folders, disks and removable media on Windows and Android. Its free-space wipe targets unused disk space, and it can erase USB sticks and SD cards. Before deletion, the product checks a password; afterward, it can generate a report. ZERDAVA says its software supports more than 20 international erasure standards, though available methods vary by version; Gutmann is the listed standard. The Windows Shredder plan costs $26 a year and includes a 7-day free trial. The Android Mobile Shredder plan also has a 7-day trial, but no price is listed. Supported systems listed in the FAQ are Windows 7, 8, 8.1 and 10, and Android 4.1 or higher. Windows downloads include online and offline installers in 32-bit and 64-bit versions, with English and Turkish options. Automatic updates are provided during the license period. For organizations, ZERDAVA describes solutions for servers and workstations, with a web-based management console in its enterprise solution. Its privacy policy says offline-scanned personal data stay on the device, while files with suspicious clues may be sent to its cloud service for examination.