Data is synced from the Chrome Web Store. View the official store page for the most current information.
This simple extension adds a "Save Image to Downloads" right-click menu item to download an image directly to the "Downloads" folder. This is to avoid the annoyance of having to choose the directory to download every time you want to save an image off the web.
Safari has this built in, and it was the first thing I missed when making the switch to Chrome.