<feConvolveMatrix> Playground

Apply a custom convolution kernel to the input. Choose from presets (sharpen, emboss, edge detect) or build your own 3×3 kernel matrix.

Preview

Target

Preset Choose a common kernel or define your own 3x3 matrix below.

3×3 Kernel Matrix

divisor

bias

edgeMode "duplicate" - extend edge pixels outward
"wrap" - tile edges
"none" - treat outside as transparent black

preserveAlpha