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CNN Layer Explorer
See exactly what a CNN sees at every layer of the network
Original Input (64×64)
Input
inputRaw grayscale image. Each pixel is a value from 0 (black) to 255 (white). This is what the CNN receives.
Click "Run Forward Pass" to see this layer's output
This is a hand-built CNN running entirely in your browser — no libraries, no GPU. The filters are hardcoded edge detectors and pattern combiners to show how real CNNs progressively extract features from raw pixels.