Thankfully there is a chrome extension called social book post manager that makes it much easier to bulk delete or unlike your facebook posts by automating the process social book post manager. Download facebook post manager chrome. Facebook post manager is a google chrome extension that lets you delete all facebook posts in a single click if you like to change the privacy of all posts from "public" to "friends", or from "friends" to "only me", or "public" to "only me" - it is all possible with a filling a form and hitting a button.