Fractal Viewer works to view and generate high quality fractals without imperfections in the image, like for example the Mandelbrot collection.
You can zoom and close in on any image without losing quality, and you can control the palette size and style. As default, the fractals are generated progressively so you can see how they are constructed.
However, this can be dectivated so as to be quicker. Fractal Viewer offers you total control over various parameters to let you generate a wide variety of images, All of them can be exported to JPG format.