Encrypt Text Online (AES-256-GCM)
Strong client-side encryption in your browser. Your text and password never leave this page — all cryptography runs locally via the Web Crypto API.
plaintext
0 chars
passphrase
—
ciphertext output
cipher
AES-256-GCM
key derivation
PBKDF2-SHA256
iterations
600,000
salt / iv
128-bit / 96-bit
auth tag
128-bit GCM
data stays
in browser