Language**: the Nik Collection offers a choice of 17 languages.

The default setting is 80%, a good compromise between file size and quality.

JPEG Quality: Adjusts the compression and quality of JPEG files generated when saving your work in Color Efex Pro.

TIFF compression: Choose between LZW compression, which reduces file size, or no compression.

GPU**: check this box if you want Color Efex Pro to use your computer’s video card to perform calculations.Zoom status*: sets the level of zoom to be applied when the app is opened, from Fit (screen) to 3:1 (300 %).Background colour*: You can select the level of grey for the background appearance: white, grey, dark grey, black.Preview Mode*: Lets you choose how images will be displayed when you open the app, either Single image preview, or Split preview (the image is separated by a line, with Before corrections on the left, After corrections on the right), or Side by side preview (the two versions of the image, before and after corrections, are displayed next to each other).It offers the following options (from top to bottom): The Preferences window comprises a single tab named General. PC: go to the File menu, then select Preferences.Mac: click on the Color Efex Pro 5 menu at the top left, then select Preferences.Help gives you access to the user guide and a range of online services. The various settings in Color Efex Pro let you choose your preferences for the interface, GPU acceleration, image output and language. The Color Efex Pro 5 module is an extensive library of filters that lets you apply creative effects, modify them as you wish with overall correction tools and control points, and even combine them to create an infinite number of special colour effects.

Nik collection color efex pro 4