AES-256 Text Encryptor

Encrypt or decrypt text with a passphrase. AES-256-GCM via Web Crypto. PBKDF2 with 200,000 iterations (SHA-256). Salt + IV stored alongside ciphertext.

CipherAES-256-GCM
KDFPBKDF2-SHA256
ModeEncrypt

Plaintext

Passphrase

Forget the passphrase and the ciphertext is unrecoverable. AES-GCM is authenticated — tampered ciphertext fails to decrypt. Output format: Base64(salt || iv || ciphertext+tag).