Google has quietly updated the Google AdWords Ad Preview and Diagnosis Tool within the AdWords advertiser console. The new interface now embeds a chrome like browser directly into the interface, as opposed to having it open into its own sub-browser.

Here is a screenshot of the new interface:

Naman Dwivedi first spotted this and posted about it on Twitter. The new interface does make the tool feel more part of the AdWords portal, keeps things a bit more compact and cleaner and keeps you within the overall experience of AdWords.

Here is an example of how it looked before.

Forum discussion at Twitter.