SDelete
WindowsSecure file deletion and free space cleaning tool for Windows
Overview
SDelete is a lightweight command-line system utility from Microsoft Sysinternals designed for secure data erasure on Windows. It overwrites deleted files using DoD 5220.22-M compliant methods to prevent recovery, and wipes free disk space (including slack space in existing files) to eliminate residual data traces. Compatible with NTFS/FAT32, it integrates seamlessly with Command Prompt/PowerShell for batch automation. Ideal for sensitive data removal, it works across Windows 10/11 and server editions without heavy resource usage.
Key Features
- Securely delete files/folders with DoD-compliant overwriting
- Wipe free disk space (including slack space) to remove residual data
Frequently Asked Questions
? Is SDelete compatible with Windows 11?
Yes, SDelete works with Windows 11, Windows 10, and all supported Windows Server editions.
? Is it safe to install?
Yes, SDelete is a trusted tool from Microsoft Sysinternals—download only from the official Microsoft website for safety.
? Is there a portable version?
Yes, SDelete is a portable executable; no installation is needed—run directly from Command Prompt or PowerShell.
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Tool Info
Pros
- ⊕ Free Microsoft Sysinternals utility
- ⊕ Portable (no installation required)
Cons
- ⊖ CLI-only (no graphical interface)
- ⊖ Requires basic command-line knowledge