An ad is an advertisement avenue for web browsers as a source of income. An ad blocker is a feature on google chrome that can enable getting rid of annoying popup ads and many more. 

In order to enable your inbuilt ad blocker on google chrome, follow the steps below:

1. Open the google chrome app.

2. Tap on settings.

3. in the drop-down menu select site settings.

4. Switch on/off enable the ad blocker.

Again you can switch on the pop up and redirect to block intrusive ads although the ad blocker perform same function.Certainly, there will be no ad popping up while you are using chrome.