File Encryption Tool for Mac

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AES-256 Encryption

Military-grade AES-256-CBC encryption with PBKDF2 key derivation. The same encryption standard used by governments and banks worldwide to protect classified data.

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Dual Mode Operation

Seamlessly switch between encryption and decryption modes. Encrypt sensitive files with a password or decrypt them when needed - all in one intuitive application.

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Batch Password Testing

Can't remember which password you used? Import a list of your common passwords and automatically test each one. Saves time when you know it's one of several variations you typically use.

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Universal File Support

Encrypt any file type - documents, images, videos, databases, archives. AES Cypher works with all file formats without restrictions.

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Lightning Fast

Optimized encryption engine processes files quickly while maintaining maximum security. No waiting around for your files to be protected.

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Clean Interface

Beautiful, intuitive Mac-native interface. No technical knowledge required - just select your file, enter a password, and click encrypt or decrypt.

Automated Password Testing

Load a list of your commonly used passwords and watch AES Cypher test each one automatically. The progress bar and live log show exactly which password is being tested in real-time.

Success - Password Found!

When the correct password is discovered, AES Cypher displays it clearly with a convenient copy button. Your decrypted file is automatically saved and ready to use.

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AES-256 Standard

NSA-approved encryption

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PBKDF2 Key Derivation

100,000 iterations for maximum security

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Random Salts & IVs

Unique encryption for every file

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Zero Data Collection

100% offline, no cloud, no tracking

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Multiple Password Variations

You use several password patterns and need to test which one you used to encrypt a file.

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Old Encrypted Files

Files encrypted years ago with passwords from your old password system.

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Save Time

Automatically test dozens or hundreds of passwords instead of typing each one manually.

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Not a Magic Solution

AES-256 encryption is mathematically unbreakable. This tool only works if the correct password is in your list - it cannot crack or guess passwords.