Automatically parses dot language(Graphviz) files into Graph(PNG image). This is useful if you're writting 'dot language' and want a quick preview. What's Graphviz? https://en.wikipedia.org/wiki/Graphviz Usage: 1. Install extension from webstore (creates no new UI) 2. Check "Allow access to file URLs" in chrome://extensions listing: 3. Open local dot-lang(Graphviz) file in Chrome. (We recommend File extension the " .viz ") 4. See nicely Graph! 2016/1/10: Add new feature, SVG format Export.