Install on iPhone / iPad Tap Share in Safari, then Add to Home Screen. Opens full-screen like an app — works offline.
  1. Stay in Safari (not Chrome)
  2. Share → Add to Home Screen → Add
MacBook / iMac? Use the native macOS app instead of this page — Lock File → Local software → macOS to download GriGsi-Lock-File-macOS.dmg. You can also add this page to the Dock from Safari: File → Add to Dock.
Lock File
Free

Lock and unlock files offline. Encrypted .ggef works years later — no website required.

No file or folder selected

License

Free: GriGsi live channel + G‿G watermark from admin. Licensed: no ads.