Deepfakes Explained — From Vectors to the Decoder Swap (Interactive)

Most explanations of deepfakes start with "AI swaps faces." That's like explaining a car engine by saying "it goes vroom." I wanted to understand the math — so I built a blog post that walks through it from scratch. The result: 13 chapters, 6 interactive demos, and a real autoencoder running in your browser — no TensorFlow.js, just 200KB of pure JavaScript matrix math. The path from vectors to face-swapping The post follows the arc of a tech talk I gave at my company. Each concept builds on the