In Facebook Mark Zuckerberg doesn’t allow to see you who had unfriended you. So, here is how to find out who had unfriended you on Facebook.
To find out who had unfriended you on Facebook:
First of all, you have download this extension from here.
Click on Add extension to add it in your chrome browser.
Now click on the extension from top right. After that, it will check your friend list.
Once it finished, it will let you know how many friends are there in your Facebook account.
If someone had unfriended you then it will show you in red box. See image below to know:
To know who is that, then you have to click on Let’s Go See Who.
So, that’s it. Now you can see who had unfriended you from Facebook.