AES-GCM Encrypt/Decrypt

Authenticated encryption with AES-256-GCM and PBKDF2 key derivation

Upload

Input Encoding

PBKDF2 Iterations

Passphrase

Plaintext Input

Enter input, passphrase, and click Encrypt

Uses AES-256-GCM with random 96-bit IV and PBKDF2-SHA256 key derivation. Payload format is armored as st-aesgcm:.... All processing happens locally in your browser.

AES-GCM FAQ

Which AES mode is used?

The tool uses AES-256-GCM with PBKDF2-SHA256 key derivation from your passphrase.

Does encryption happen in the browser?

Yes, encryption and decryption run locally using the Web Crypto API.