Encrypt and decrypt text with AES-256

Lock a message with a password using AES-256-GCM; the recipient decrypts it here with the same password.

About AES encryption

Type a secret message and a password and press “Encrypt” to get unreadable Base64. Send it any way you like and share the password separately; the recipient pastes it, enters the same password and presses “Decrypt”.

It uses AES-256-GCM with a key derived by PBKDF2 (SHA-256, 310,000 iterations, random salt) via Web Crypto. A wrong password or tampered text fails to decrypt. Security depends on password length.

FAQ

Can a forgotten password be recovered?

No — nobody, including us, can decrypt without it.

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