InstantMask is one of the best free photo background remover software for Windows. Using this software, you can easily remove background of photos, individually. It provides you some simple to use tools to selectively remove the background of an image. The photo background removal process takes place in no time, and prior to saving the image with changed/removed background, it lets you see preview of the image to ensure proper background removal.
In order to remove background of a photo, you are provided with two types of markers, namely, Keep Marker ( the green one) and Remove Marker (the Red one). Use these markers to specify the area you want to retain and remove its color, respectively. To properly encircle the desired portion of the image, it also lets you Zoom in/out the image. After that, check out preview and save the image in JPG format.
It can help you with images in JPG, PNG, and BMP formats to remove their background.