AES Encrypt / Decrypt Tool

Encrypt and decrypt text using AES-GCM in your browser. Your data stays local.

Passphrase

PBKDF2 iterations

Output format Auto process

Plaintext

Ciphertext package

Waiting for input...

Notes

This tool uses AES-GCM (authenticated encryption). If the passphrase is wrong, decryption will fail.
Treat the passphrase like a secret. Anyone with the package and passphrase can decrypt.
Encryption happens in your browser via Web Crypto; no server-side processing is required.