Free Security Tools
Client-Side File Encrypter
Password-protect any file instantly, straight from your browser. AES-256 encryption runs locally — we never see your file or your password.
100% Private — Your files and passwords never leave your device. Encryption uses the browser's built-in Web Crypto API.
Drop any file here or click to browse
Max 50 MB
Encrypting...
How This Keeps You Safe
Storing sensitive files in the cloud leaves them vulnerable if your account is breached. A strong password-encrypted file is unreadable even if someone gets their hands on it.
This tool uses PBKDF2 key derivation with 100,000 iterations and AES-256-GCM encryption — the same standard used by banks and governments.
Encryption Details
- AES-256-GCMMilitary-grade authenticated encryption
- PBKDF2-SHA256100,000 iterations key stretching
- Random Salt16-byte random salt per file
- Random IV12-byte random IV per encryption
- .utenc formatPortable encrypted container
Tips
- If you lose your password, there is no recovery — not even we can decrypt the file.
- Use our Passphrase Generator to create a memorable strong password.
Want a Full Security Audit?
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