Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
For Mac alternative : NX Studio, MoviePrint, Movie Thumbnails Maker and Movie Thumbnailer.
SEE : https://alternativeto.net/software/video-thumbnails-maker/?platform=mac
or do a web-search ...
