Take screenshots of videos from various video sites with the Video-Screenshot Chrome extension. This extension allows users to capture screenshots through right-clicking or using a shortcut key (Ctrl + Q). The default file format is png, but users can choose between jpg and png through the options page. It is compatible with popular sites like YouTube, NicoNico Douga, NicoNico Live, and SHOWROOM. Contribute or check out the source code on GitHub.