Find Similar Images with Google Images Search
An Alfred 2 workflow.
Perform a Google Image search based on a file on your computer.
Google search supports PNG, JPG, GIF and BMP images only. This workflow is available as a File Action for any of these filetypes in Alfred.
There is also a Hotkey to search based on the current Finder selection. If more than one image file is selected, on the first will be used.
This workflow is released under the MIT License.