With the recent report of Facebook user’s data being harvested and used for information warfare, many people are looking to delete their accounts or at least their Facebook posts. Deleting posts, though, can be a very time consuming task as you normally would have to go into each and every post and manually remove them.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. Using the extension to delete your posts, you may want to first create a backup of your Facebook data.
Source: https://www.bleepingcomputer.com/news/security/social-book-post-manager-chrome-extension-lets-you-wipe-your-facebook-profile/