Thumbnail Grabber software (version 2.7) is a tool that allows s to extract thumbnails from video files and save them as images. The software is compatible with a wide range of video formats including AVI, MPEG, WMV, and MP4. It also allows s to customize the size and quality of the extracted thumbnails and s batch processing. Additionally, s can preview the video and select the specific frame they want to extract the thumbnail from.