Method 1:Go to Edit -> Preferences.Select Toolbars tab.Select Icon size that you need to change -> click OK. How do I increase the size of my toolbar? Next to “Zoom,” choose the zoom options you want: Make everything larger: Click Zoom in. Use the zoom options to make everything on a webpage larger or smaller.On your computer, open Chrome.At the top right, click More. You can resize the area where you type stuff and the area with your icons. Try the browser/toolbar settings or simply right clicking. Why is my Google toolbar too small? Make sure your toolbars are not locked. Then simply use the Ctrl and + or _ to increase or decrease font size.
On top of the bookmark list, click Bookmark Manager. Start > Settings > Make text size bigger You are done your from now your bookmark toolbar icons will be big. How do I increase font size in Google Toolbar?
How do I get Google back to normal size?.