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AES-256 Encryption/Decryption

Encrypt or decrypt text with the available AES-256 options and a key or passphrase you control.

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Encrypt or decrypt text with the available AES-256 options and a key or passphrase you control. Use it for learning or for handling text you are authorised to process. Encryption security depends on key management, mode, implementation and surrounding application design, so do not treat a browser utility as a substitute for an audited production cryptographic system.

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