Color Efex Pro 4 provides the most comprehensive set of enhancements for color correction, retouching, and creative effects. Quickly stylize your photographs, retouch portraits with ease, and extend your creativity with unmatched control and versatility. Nik Software Color Efex Pro filters are the leading photographic filters for digital photography. The award-winning Color Efex Pro filters are widely used by many of today's professional photographers around the world to save time and get professional level results. Whether you choose the Complete Edition, Select, or Standard Edition, you get traditional and stylizing filters that offer virtually endless possibilities to enhance and transform images quickly and easily. Patented U Point technology provides the ultimate control to selectively apply enhancements without the need for any complicated masks, layers or selections. Control color, light and tonality in your images and create unique enhancements with professional results. With 52 filters and over 250 effects found in Color Efex Pro you can perform high quality retouching, color correction and endless creative enhancements to your photographs. Updates to old favorites such as Classical Soft Focus, Darken/Lighten Center, and Vignette filters are joined by exciting new filters Bleach Bypass, Cross Balance, Film Effects, Film Grain, Glamour Glow, High Key, Low Key, Polaroid Transfer, and Tonal Enhancer, and more. The result is nothing less than the most complete, most useful collection of photographic filters you can add to your toolkit. Nik Software product filters are developed to integrate seamlessly into many popular image editing applications that support the Adobe Photoshop plug-in architecture and there are numerous software applications that accept Adobe Photoshop plug-in compatible filters. Please consult your image editing application