This app is an advanced software that make you can extract images from a video. It will be a necessary tool for any video editors, movie fans and video analyst. Many video formats can be supported by this app, such as mov,avi,mp4,mpeg,m4v,3gp,3g2,m4v etc. You can use this app in two ways: One is to extract one image at a certain time. Another way is to extract a series of images from the video. If you use the second way, you can choose start time and end time on the movie player. And a slider can help you to set time gap. Small value can produce more frames, but large value will be helpful when you choose a large duration. Images are saved in .png format since it is the best image format in mac. The image size will equal to your video image's true size. In a word, It has complex functions but is very easy to use. Not only video expert will like it, but also common people. Try it now!