AES Encrypt & Decrypt

Encoding & Encryption 37 uses

An online AES symmetric encryption tool supporting AES-CBC and AES-GCM modes with 128/192/256-bit keys. Customize the key and IV; everything is computed locally in your browser and never uploaded, making it safe and efficient.

The key is derived to 256 bits via SHA-256; all encryption and decryption happen locally in your browser and are never uploaded to a server.