Publish Private/Unlisted Chrome Extension/Application

If you want to publish an application / extension which is

only available via links
Does not appear in the chrome webstore in the search results

You want to publish your application as Unlisted. There are three visibility options to publish an application. Here, you want to use the Unlisted visibility option as shown below :

chrome 8 chrome developer dashboard 1 private 1 unlisted 1 webstore 1