This is an automatic translation of the original german program description, made by Google's translation service:
Photo editor for JPEG, GIF, PNG, TIFF and BMP graphics and images. Available comprehensive image editing and drawing tools like lines, rectangles, pen spray can, eraser, text, selection, etc. In addition, there are some effects such as blurring or sharpening. Paint.NET is like Photoshop or GIMP to layer, with which they can create different image planes and edit each of these levels separately.
