Zero-Knowledge · Zero-Tracking · 100% Offline

Lock your files.
Nobody else can.

AES-256 Military-Grade Folder Encryption. Runs entirely in your browser — your data and passwords never leave your device.

🔐 AES-256-GCM  ·  🔑 PBKDF2  ·  📁 Full Folders  ·  ✈️ Air-Gapped
ENCRYPT

🔐 Encrypt Folder

Compress & encrypt an entire folder into a single portable vault file.

📁

Drop folder here

or

No folder selected

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✅
DECRYPT

🔓 Decrypt Folder

Restore your original folder from a .enc vault file with your password.

📦

Drop .enc file here

or

No file selected

🔑
🛡️

Wrong password triggers immediate rejection. AES-GCM authentication prevents silent corruption.

How It Works

01

Compress

Folder zipped in-memory with DEFLATE — nothing written to disk.

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02

Derive Key

PBKDF2-SHA256 · 100,000 iterations turns password into 256-bit key.

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03

Encrypt

AES-256-GCM encrypts and authenticates — tamper-proof.

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04

Download

One portable .enc file — open anywhere with ZevSafe.