Message Encryptor/Decryptor

Securely encrypt and decrypt text messages using AES-GCM or AES-CBC and a password. Encryption happens entirely in your browser.

Process Message
Select operation and algorithm, enter your message and password.

AES-GCM provides authenticated encryption.
AES-CBC is also common but lacks built-in authentication.

0 / 2000 characters

Used to derive the encryption key. Remember this password!

Uses Web Crypto API (AES-GCM / AES-CBC) for strong, browser-based encryption.
Ensure you use a strong password and store it securely. We don't store your data or password.