Nomacs allows you to preview images and wallpapers on your computer in a new and easy way, which prevents you from using the default image browser in Windows. The program is free, open source and very easy to use. Nomacs gives you the ability to edit images and backgrounds as well, as it does not stop at the limit of viewing images only and that is what distinguishes it. You can adjust the brightness of images and control the color tone. The Nomacs program has many other features and features such as viewing the specifications of the pictures and detailed information such as size, accuracy and quality and if the image was taken with a specific camera, you can through the program to view the specifications of the camera that took the picture. There are many other features you will discover when you try it on your computer.