Encrypt "AES DEMO!"
text = AES DEMO!
Result: See step-by-step transformation through 10 rounds.
AES Concept Demo
EDUCATIONAL DEMONSTRATION ONLY — This tool visualizes the conceptual steps of AES encryption: SubBytes (byte substitution via S-Box), ShiftRows (row rotation), and AddRoundKey (XOR with round key). Uses a simplified model — production AES also includes MixColumns and key scheduling.
Privacy: this tool processes your data entirely in your browser. Nothing you paste or type is sent to the server.
Enter your values and press Calculate — the result appears here.
Worked examples
Frequently asked questions
Is this real AES?
This is an educational visualization. Production AES includes additional steps (MixColumns, key expansion) and uses proper key scheduling. Use Web Crypto API or OpenSSL for real AES.
What does each step do?
SubBytes: replaces each byte via a lookup table (confusion). ShiftRows: rotates rows (diffusion). AddRoundKey: XORs with the round key (key mixing).
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