Click below to shape the “aperture” used to blur the image:

Load new image to blur:

n.b. computation time increases quadratically with image size
Additional Parameters
no guarantees that these work

Number of opacity levels:

Radius of aperture:

The default test image is cropped from a photo of Sakurai’s object taken by the ESO’s Very Large Telescope, believed to be a white dwarf undergoing a helium flash.