AES Encrypt / Decrypt

Secret Key (16 or 32 characters for AES-128/256):

Initialization Vector (IV - Exactly 16 characters):

Important Note on Keys and IVs:

For AES-128, your Secret Key should be 16 characters long.
For AES-256, your Secret Key should be 32 characters long.
The Initialization Vector (IV) MUST be exactly 16 characters long for both AES-128 and AES-256.
The Key and IV used for decryption MUST be identical to those used for encryption.
For real-world applications, use strong, randomly generated keys and IVs, and securely manage them.