Instead default start page chrome://newtab this extension allow you customize URL of new tab page. Override new tab URL. It’s like browser.newtab.url, previously available in Firefox.
Size: 5 kB
With this extension you can change the page which is shown when opening a new tab. Set your favorite site like a start tab page. Also, you can build and set your own start page from local disk. Just create it and set full path, for example, file:///C:/MyNewTabPage.html