Google Chrome has a variety of hotkeys, otherwise keyboard shortcuts, you can press to quickly select options. Although the browser doesn’t have any hotkey customization options, there are a few extensions you can add to Chrome to further configure its keyboard shortcuts with. Shortkeys is one of the extensions with which you can set up customized Chrome hotkeys.
This is the Shortkeys extension page  that you can add it to the browser from. Click the + Free button there to add Shortkeys to your browser. Then you’ll find a Shortkeys button on the toolbar as shown in the snapshot below.
Now press that button and select Options from the menu to open the tab in the snapshot below. That includes a list of all your saved Shortkeys keyboard shortcuts. Press the + Add button to set up a new hotkey.
When you’ve pressed + Add, click the dropdown menu to open a list of potential options for your hotkey shown below. Select an option from there, such as Zoom In, and then click inside the Keyboard Shortcut text box. There you can type in a keyboard shortcut for the hotkey, such as Ctrl+i. Press the Save button to add the hotkey.
Then you can try the hotkey out in your page tabs . Note that you’ll need to refresh page tabs already open in the browser for the hotkeys to work in them. Also note that a hotkey might not work if it’s the same as a default Chrome keyboard shortcut. You can delete any customized hotkey by pressing the Delete button beside them on the Shortkeys Options tab.
So with the Shortkeys extension you can now quickly set up customized hotkeys for a variety of Google Chrome options. Shortcut Manager  is also another extension for Google Chrome that you can customize the browser’s hotkeys with.