For offline use, download our desktop or mobile application.
Includes secure 7-pass file erasure, so your original files never leave your device.
Encrypted files are 100% compatible across web, macOS and iOS.
Your files never leave your device.
All encryption is performed directly in your browser using the Web Crypto API.
No file is ever uploaded to our servers.
We have no way to decrypt your files — only you know your password.
⚠ IMPORTANT: Always keep a backup copy of your original files before encrypting them.
If you lose your password, your files will be permanently unrecoverable.
Quantum-resistant: your files are encrypted with AES-256-GCM and an Argon2id-derived key —
an architecture with no key exchange, resistant to quantum computers in line with NIST (US) and ANSSI (France) recommendations.
What you encrypt today stays protected tomorrow.
TIME FOR THE WORLD'S MOST POWERFUL COMPUTER (EL CAPITAN) TO CRACK YOUR PASSWORD
— enter a password —
vs. Argon2id 1 GB · 16 passes · 4 threads
PASSWORD TIPS
Example of a strong password
nqJ@a4=KDMny
A-Z
Uppercase
a-z
Lowercase
0-9
Digits
#$!@%
Special
Use at least 12 characters mixing all four types above.
3.7 BILLION YEARS
Estimated time for El Capitan to crack a 12-character password by brute force against Georgi Encryption v3 (Argon2id).
PRIVACY & GDPR
No data collection. All operations run locally on your device — no file, password or personal data ever reaches our servers. Read the full Privacy Policy (GDPR).
