Search for Images from Omnibox directly in Google Chrome

  1. Go to Google images
  2. Right-click on the search field and click Add search engine
    A new window will popup

    enter image description here

  3. Choose your desired keyword i.e. image
  4. Don't change the URL parameter
  5. Click in your omnibar and type image test

This way your omnibar searches for images and displays Googles image search page

Note: The described method can be used for allmost every search engine i.e. Google News


Chrome > Preferences > Manage search engines

For Google Image Search, use the query URL:

https://www.google.com/search?safe=off&tbm=isch&q=%s

image search preferences