Find out if someone ‘unfriends’ you on Facebook with Unfriend Notify

If you’re looking for a simple tool to discover who took you off their Facebook friends list, then the Unfriend Notify for Facebook extension is what you need. A pop-up notification will show up on your browser when someone unfriends you on the social network. You can even see which friends you’ve lost with a new Lost Friends tab. The extension works for both Mozilla Firefox and Google Chrome.