AES-256 Text Cipher
Encrypt and decrypt any text directly in your browser using a 256-bit AES-GCM key. Nothing leaves your device — all cryptography runs locally via the Web Crypto API.
🔑 256-bit AES-GCM Key
Click "Generate New Key" to start…
AES-GCM
256-bit
100% local — no server
Web Crypto API
📝 Plaintext
0 chars
🔐 Ciphertext
0 chars