Filters

Makes the image blocky by averaging pixel values in each tile. The image may look as if it's made of very large pixels.
The Soften Filter has no interface and is applied by selecting it from the drop-down menu. The Soften filter makes the image smoother by applying low intensity pixel averaging. To achieve stronger blur effect apply this filter multiple times.

The Sharpen Filter has no interface and is applied by selecting it from the drop-down menu. Sharpening increases visibility of details on the image. You may need to apply this filter multiple times to achieve the desired result.
The Edge Enhance Filter has no interface and is applied by selecting it from the drop-down menu. Edge Enhance finds the edges of objects and defines them more clearly.
The Find Edges Filter has no interface and is applied by selecting it from the drop-down menu. Find Edges traces the outline of objects on the image. Outlines become brighter, everything else turns dark.
The Trace Contour Filter has no interface and is applied by selecting it from the drop-down menu. Trace Contour traces contours of objects on the image. The result looks like a sketch made with pencil.
The Chaos filter dislocates image pixels in random directions.