Encrypted files. Editable everywhere.
VaultlethQ is a zero-knowledge encrypted file vault with native editing on PC and Android. Your keys never leave your device.
🔒 Zero-knowledge architecture — we never see your keys
Everything you need for secure files
Encrypt, edit, and sync your files across devices without compromising on security or convenience.
Edit files in place
Open and edit encrypted files directly in the vault. No need to decrypt, edit, and re-encrypt manually.
Cloud sync ready
Store your vault on Dropbox, Google Drive, or any cloud provider. Encrypted data stays encrypted at rest.
Zero-knowledge
Your encryption keys are generated and stored on your device. We never see, store, or transmit your keys.
Android native
Full native Android app with seamless file access. Edit documents, view images, and manage files on the go.
PC desktop app
Native desktop experience for Windows, macOS, and Linux. Drag-and-drop files into your encrypted vault.
Audited encryption
AES-256-GCM with Argon2id key derivation. Independently audited cryptographic implementation.
How it works
Get started in minutes. No accounts, no servers, no trust required.
Create your vault
Generate a master key on your device. Argon2id protects your vault with strong key derivation.
Add your files
Drag and drop files into the vault. They are encrypted with AES-256-GCM before leaving your device.
Edit anywhere
Open files directly from the vault on PC or Android. Edit in place — no decrypt/re-encrypt cycle.
Sync securely
Store your vault on any cloud provider. Encrypted data stays encrypted. Your keys never sync.
Security you can verify yourself
Every layer of VaultlethQ uses battle-tested cryptographic standards. Your files are encrypted before they leave your device, and your keys never touch our servers. The entire codebase is open source and independently audited.
Cryptographic guarantees
- AES-256-GCM encryption
- Argon2id key derivation
- Zero-knowledge architecture
- Keys generated & stored on-device
- Open source & audited
Get early access
Be the first to know when VaultlethQ launches. No spam, just one email.