New Tab iFrame is a Chrome extension developed by chienwen. It falls under the category of Browsers and specifically the subcategory of Add-ons & Tools. This free extension allows users to customize their new tab page by replacing it with a new page that contains an iframe. The best part is that the src of the iframe is configurable, giving users the flexibility to choose the content they want to display on their new tab page. With New Tab iFrame, users can personalize their browsing experience and have quick access to their favorite websites or any other web content they desire.