Facebook Owl is a Chrome extension designed to help you keep track of your Facebook friends and get notified when someone unfriends you. Upon installation, the extension automatically captures your friend list and sends it to an analysis service. You'll receive notifications instantly if any changes occur.

The extension offers an advanced dashboard for easy search, sorting, and tracking of your friend list. With AutoSync feature, your friend list is automatically updated in the background using advanced algorithms. Your data is secure as everything happens on your device with end-to-end encryption, ensuring privacy. Additionally, Facebook Owl supports multiple accounts, allowing seamless switching between accounts and syncing of friend lists. The extension also maintains a history of your friend list changes for your reference.