Download STL Shield
Protect your 3D print files with military-grade encryption and forensic watermarking. Available for Windows, macOS, and Linux.
Windows
Requirements
- Windows 10 or later
- 64-bit (x86_64)
- WebView2 (auto-installed)
Windows SmartScreen may show a warning on first launch. Click "More info" then "Run anyway" — the installer is signed and verified.
macOS
Requirements
- macOS 11 (Big Sur) or later
Gatekeeper may block the first launch. Right-click the app and select "Open" to bypass, or go to System Settings → Privacy & Security to allow it.
Linux
Requirements
- Ubuntu 20.04+ or equivalent
- 64-bit (x86_64)
- WebKitGTK 4.1+
After downloading, make the AppImage executable:
chmod +x stlshield.AppImage && ./stlshield.AppImageAll downloads are signed and verified automatically.
Don't want to install anything? Use the web unlock to decrypt files directly in your browser.