The Craftyrights Chrome extension is a tool that forces a Google image search to return images that are free to use or share.
Although Google's image tools and filters have made it easier for users to avoid copyright concerns in just a few easy clicks, CraftyRights gives you a few seconds of your life back by automating the process. They do not, however, promise 100% copyright free results, but is a responsible step towards respecting artists' rights. The extension can be found in the Chrome Web Store or at crafty184.com.
Once added to Chrome and turned on, Google image searches will query based on the labeled for reuse query filter: