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PrivBatch / AES-256 File Encryption
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AES-256 File Encryption

Free tool
Encrypts to filename.aes using AES-256-GCM with PBKDF2 600k iterations. Lose the password, lose the file - there is no recovery.

Drop a file to encrypt, or click to pick

Any file type. Up to 100MB recommended.

Output
Drop a file and enter a password to encrypt
Encryption key never leaves your browser