WordPress Theme Detector
If you're looking for a quick and easy way to find out which WordPress theme a site is using, there's a great tool called WordPress Theme Detector.
Just enter in the URL of the site you want to check, and WordPress Theme Detector will do the rest. In a matter of seconds, you'll know which theme is being used, as well as some other information about the site.
This is a great tool for when you see a site with a design that you like and want to find out more about it. With WordPress Theme Detector, you can easily find out which theme was used so you can look into using it for your own site.