Fastest reverse image search by Google.Images, Yandex.Images (uses correct, updated search URL), Bing's ImageMatch and TinEye.com. Helps track usage of your images, finding author of an image and guessing what is pictured on the image.
Select your preferred search engine, right-click on image (accessible online) and select "Look up this pic" menu item. It will open new tabs with results.
Check settings to choose how tabs will be opened - as foreground tabs, to let you check results right away, or as background tabs, to let you check multiple pictures on one page before leaving it.
Keep an eye on you search count - we have a small search counter inside! )