XnSketch

XnSketch is a free application designed to convert your photos into drawings, or give them a charcoal look, to make them more original and entertaining.

The interface in this tool is very easy to use; just browse the images, pick one and apply all the effects you want, which are located in a toolbar below. With just a few clicks, you will have a professional looking result.

In addition, you can tweak and improve the results with basic controls for luminance, colour, contrast and exposure placed to the right of the main screen.

XnSketch includes:

- 18 different effects: black lines, whites, pastel, pencil sketch, drawing...

- The sharpness of the edges and opacity settings.

- Tools for setting contrast, brightness, saturation.

Also, if you want, you can share your XnSketch results on the social networks, like Facebook, Flickr or Picasa.